256855879800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{645691}}^1$

素因数の和:645743

約数の個数: 288

約数和(自身を含む): 983608451280

約数和(自身を除く): 726752571480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 25, 26, 30, 34, 36, 39, 40, 45, 50, 51, 52, 60, 65, 68, 72, 75, 78, 85, 90, 100, 102, 104, 117, 120, 130, 136, 150, 153, 156, 170, 180, 195, 200, 204, 221, 225, 234, 255, 260, 300, 306, 312, 325, 340, 360, 390, 408, 425, 442, 450, 468, 510, 520, 585, 600, 612, 650, 663, 680, 765, 780, 850, 884, 900, 936, 975, 1020, 1105, 1170, 1224, 1275, 1300, 1326, 1530, 1560, 1700, 1768, 1800, 1950, 1989, 2040, 2210, 2340, 2550, 2600, 2652, 2925, 3060, 3315, 3400, 3825, 3900, 3978, 4420, 4680, 5100, 5304, 5525, 5850, 6120, 6630, 7650, 7800, 7956, 8840, 9945, 10200, 11050, 11700, 13260, 15300, 15912, 16575, 19890, 22100, 23400, 26520, 30600, 33150, 39780, 44200, 49725, 66300, 79560, 99450, 132600, 198900, 397800, 645691, 1291382, 1937073, 2582764, 3228455, 3874146, 5165528, 5811219, 6456910, 7748292, 8393983, 9685365, 10976747, 11622438, 12913820, 15496584, 16142275, 16787966, 19370730, 21953494, 23244876, 25181949, 25827640, 29056095, 32284550, 32930241, 33575932, 38741460, 41969915, 43906988, 46489752, 48426825, 50363898, 54883735, 58112190, 64569100, 65860482, 67151864, 75545847, 77482920, 83939830, 87813976, 96853650, 98790723, 100727796, 109767470, 116224380, 125909745, 129138200, 131720964, 142697711, 145280475, 151091694, 164651205, 167879660, 193707300, 197581446, 201455592, 209849575, 219534940, 232448760, 251819490, 263441928, 274418675, 285395422, 290560950, 302183388, 329302410, 335759320, 377729235, 387414600, 395162892, 419699150, 428093133, 439069880, 493953615, 503638980, 548837350, 570790844, 581121900, 604366776, 629548725, 658604820, 713488555, 755458470, 790325784, 823256025, 839398300, 856186266, 987907230, 1007277960, 1097674700, 1141581688, 1162243800, 1259097450, 1284279399, 1317209640, 1426977110, 1510916940, 1646512050, 1678796600, 1712372532, 1888646175, 1975814460, 2140465665, 2195349400, 2469768075, 2518194900, 2568558798, 2853954220, 3021833880, 3293024100, 3424745064, 3567442775, 3777292350, 3951628920, 4280931330, 4939536150, 5036389800, 5137117596, 5707908440, 6421396995, 6586048200, 7134885550, 7554584700, 8561862660, 9879072300, 10274235192, 10702328325, 12842793990, 14269771100, 15109169400, 17123725320, 19758144600, 21404656650, 25685587980, 28539542200, 32106984975, 42809313300, 51371175960, 64213969950, 85618626600, 128427939900, 256855879800]

約数ペア:

[(1, 256855879800), (2, 128427939900), (3, 85618626600), (4, 64213969950), (5, 51371175960), (6, 42809313300), (8, 32106984975), (9, 28539542200), (10, 25685587980), (12, 21404656650), (13, 19758144600), (15, 17123725320), (17, 15109169400), (18, 14269771100), (20, 12842793990), (24, 10702328325), (25, 10274235192), (26, 9879072300), (30, 8561862660), (34, 7554584700), (36, 7134885550), (39, 6586048200), (40, 6421396995), (45, 5707908440), (50, 5137117596), (51, 5036389800), (52, 4939536150), (60, 4280931330), (65, 3951628920), (68, 3777292350), (72, 3567442775), (75, 3424745064), (78, 3293024100), (85, 3021833880), (90, 2853954220), (100, 2568558798), (102, 2518194900), (104, 2469768075), (117, 2195349400), (120, 2140465665), (130, 1975814460), (136, 1888646175), (150, 1712372532), (153, 1678796600), (156, 1646512050), (170, 1510916940), (180, 1426977110), (195, 1317209640), (200, 1284279399), (204, 1259097450), (221, 1162243800), (225, 1141581688), (234, 1097674700), (255, 1007277960), (260, 987907230), (300, 856186266), (306, 839398300), (312, 823256025), (325, 790325784), (340, 755458470), (360, 713488555), (390, 658604820), (408, 629548725), (425, 604366776), (442, 581121900), (450, 570790844), (468, 548837350), (510, 503638980), (520, 493953615), (585, 439069880), (600, 428093133), (612, 419699150), (650, 395162892), (663, 387414600), (680, 377729235), (765, 335759320), (780, 329302410), (850, 302183388), (884, 290560950), (900, 285395422), (936, 274418675), (975, 263441928), (1020, 251819490), (1105, 232448760), (1170, 219534940), (1224, 209849575), (1275, 201455592), (1300, 197581446), (1326, 193707300), (1530, 167879660), (1560, 164651205), (1700, 151091694), (1768, 145280475), (1800, 142697711), (1950, 131720964), (1989, 129138200), (2040, 125909745), (2210, 116224380), (2340, 109767470), (2550, 100727796), (2600, 98790723), (2652, 96853650), (2925, 87813976), (3060, 83939830), (3315, 77482920), (3400, 75545847), (3825, 67151864), (3900, 65860482), (3978, 64569100), (4420, 58112190), (4680, 54883735), (5100, 50363898), (5304, 48426825), (5525, 46489752), (5850, 43906988), (6120, 41969915), (6630, 38741460), (7650, 33575932), (7800, 32930241), (7956, 32284550), (8840, 29056095), (9945, 25827640), (10200, 25181949), (11050, 23244876), (11700, 21953494), (13260, 19370730), (15300, 16787966), (15912, 16142275), (16575, 15496584), (19890, 12913820), (22100, 11622438), (23400, 10976747), (26520, 9685365), (30600, 8393983), (33150, 7748292), (39780, 6456910), (44200, 5811219), (49725, 5165528), (66300, 3874146), (79560, 3228455), (99450, 2582764), (132600, 1937073), (198900, 1291382), (397800, 645691)]