320498100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 288

約数和(自身を含む): 1160759040

約数和(自身を除く): 840260940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 25, 26, 27, 30, 36, 39, 45, 46, 50, 52, 54, 60, 65, 69, 75, 78, 90, 92, 100, 108, 115, 117, 130, 135, 138, 150, 156, 180, 195, 207, 225, 230, 234, 260, 270, 276, 299, 300, 325, 345, 351, 390, 397, 414, 450, 460, 468, 540, 575, 585, 598, 621, 650, 675, 690, 702, 780, 794, 828, 897, 900, 975, 1035, 1150, 1170, 1191, 1196, 1242, 1300, 1350, 1380, 1404, 1495, 1588, 1725, 1755, 1794, 1950, 1985, 2070, 2300, 2340, 2382, 2484, 2691, 2700, 2925, 2990, 3105, 3450, 3510, 3573, 3588, 3900, 3970, 4140, 4485, 4764, 5161, 5175, 5382, 5850, 5955, 5980, 6210, 6900, 7020, 7146, 7475, 7940, 8073, 8775, 8970, 9131, 9925, 10322, 10350, 10719, 10764, 11700, 11910, 12420, 13455, 14292, 14950, 15483, 15525, 16146, 17550, 17865, 17940, 18262, 19850, 20644, 20700, 21438, 22425, 23820, 25805, 26910, 27393, 29775, 29900, 30966, 31050, 32292, 35100, 35730, 36524, 39700, 40365, 42876, 44850, 45655, 46449, 51610, 53595, 53820, 54786, 59550, 61932, 62100, 67275, 71460, 77415, 80730, 82179, 89325, 89700, 91310, 92898, 103220, 107190, 109572, 118703, 119100, 129025, 134550, 136965, 139347, 154830, 161460, 164358, 178650, 182620, 185796, 201825, 214380, 228275, 232245, 237406, 246537, 258050, 267975, 269100, 273930, 278694, 309660, 328716, 356109, 357300, 387075, 403650, 410895, 456550, 464490, 474812, 493074, 516100, 535950, 547860, 557388, 593515, 684825, 696735, 712218, 774150, 807300, 821790, 913100, 928980, 986148, 1068327, 1071900, 1161225, 1187030, 1232685, 1369650, 1393470, 1424436, 1548300, 1643580, 1780545, 2054475, 2136654, 2322450, 2374060, 2465370, 2739300, 2786940, 2967575, 3204981, 3483675, 3561090, 4108950, 4273308, 4644900, 4930740, 5341635, 5935150, 6163425, 6409962, 6967350, 7122180, 8217900, 8902725, 10683270, 11870300, 12326850, 12819924, 13934700, 16024905, 17805450, 21366540, 24653700, 26708175, 32049810, 35610900, 53416350, 64099620, 80124525, 106832700, 160249050, 320498100]

約数ペア:

[(1, 320498100), (2, 160249050), (3, 106832700), (4, 80124525), (5, 64099620), (6, 53416350), (9, 35610900), (10, 32049810), (12, 26708175), (13, 24653700), (15, 21366540), (18, 17805450), (20, 16024905), (23, 13934700), (25, 12819924), (26, 12326850), (27, 11870300), (30, 10683270), (36, 8902725), (39, 8217900), (45, 7122180), (46, 6967350), (50, 6409962), (52, 6163425), (54, 5935150), (60, 5341635), (65, 4930740), (69, 4644900), (75, 4273308), (78, 4108950), (90, 3561090), (92, 3483675), (100, 3204981), (108, 2967575), (115, 2786940), (117, 2739300), (130, 2465370), (135, 2374060), (138, 2322450), (150, 2136654), (156, 2054475), (180, 1780545), (195, 1643580), (207, 1548300), (225, 1424436), (230, 1393470), (234, 1369650), (260, 1232685), (270, 1187030), (276, 1161225), (299, 1071900), (300, 1068327), (325, 986148), (345, 928980), (351, 913100), (390, 821790), (397, 807300), (414, 774150), (450, 712218), (460, 696735), (468, 684825), (540, 593515), (575, 557388), (585, 547860), (598, 535950), (621, 516100), (650, 493074), (675, 474812), (690, 464490), (702, 456550), (780, 410895), (794, 403650), (828, 387075), (897, 357300), (900, 356109), (975, 328716), (1035, 309660), (1150, 278694), (1170, 273930), (1191, 269100), (1196, 267975), (1242, 258050), (1300, 246537), (1350, 237406), (1380, 232245), (1404, 228275), (1495, 214380), (1588, 201825), (1725, 185796), (1755, 182620), (1794, 178650), (1950, 164358), (1985, 161460), (2070, 154830), (2300, 139347), (2340, 136965), (2382, 134550), (2484, 129025), (2691, 119100), (2700, 118703), (2925, 109572), (2990, 107190), (3105, 103220), (3450, 92898), (3510, 91310), (3573, 89700), (3588, 89325), (3900, 82179), (3970, 80730), (4140, 77415), (4485, 71460), (4764, 67275), (5161, 62100), (5175, 61932), (5382, 59550), (5850, 54786), (5955, 53820), (5980, 53595), (6210, 51610), (6900, 46449), (7020, 45655), (7146, 44850), (7475, 42876), (7940, 40365), (8073, 39700), (8775, 36524), (8970, 35730), (9131, 35100), (9925, 32292), (10322, 31050), (10350, 30966), (10719, 29900), (10764, 29775), (11700, 27393), (11910, 26910), (12420, 25805), (13455, 23820), (14292, 22425), (14950, 21438), (15483, 20700), (15525, 20644), (16146, 19850), (17550, 18262), (17865, 17940)]