642018780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 288

約数和(自身を含む): 2230824960

約数和(自身を除く): 1588806180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 79, 90, 92, 115, 117, 130, 138, 151, 156, 158, 180, 195, 207, 230, 234, 237, 260, 276, 299, 302, 316, 345, 390, 395, 414, 453, 460, 468, 474, 585, 598, 604, 690, 711, 755, 780, 790, 828, 897, 906, 948, 1027, 1035, 1170, 1185, 1196, 1359, 1380, 1422, 1495, 1510, 1580, 1794, 1812, 1817, 1963, 2054, 2070, 2265, 2340, 2370, 2691, 2718, 2844, 2990, 3020, 3081, 3473, 3555, 3588, 3634, 3926, 4108, 4140, 4485, 4530, 4740, 5135, 5382, 5436, 5451, 5889, 5980, 6162, 6795, 6946, 7110, 7268, 7852, 8970, 9060, 9085, 9243, 9815, 10270, 10419, 10764, 10902, 11778, 11929, 12324, 13455, 13590, 13892, 14220, 15405, 16353, 17365, 17667, 17940, 18170, 18486, 19630, 20540, 20838, 21804, 23556, 23621, 23858, 26910, 27180, 27255, 29445, 30810, 31257, 32706, 34730, 35334, 35787, 36340, 36972, 39260, 41676, 45149, 46215, 47242, 47716, 52095, 53820, 54510, 58890, 59645, 61620, 62514, 65412, 69460, 70668, 70863, 71574, 81765, 88335, 90298, 92430, 94484, 104190, 107361, 109020, 117780, 118105, 119290, 125028, 135447, 141726, 143148, 155077, 156285, 163530, 176670, 178935, 180596, 184860, 208380, 212589, 214722, 225745, 236210, 238580, 270894, 274367, 283452, 310154, 312570, 327060, 353340, 354315, 357870, 406341, 425178, 429444, 451490, 465231, 472420, 536805, 541788, 548734, 620308, 625140, 677235, 708630, 715740, 775385, 812682, 823101, 850356, 902980, 930462, 1062945, 1073610, 1097468, 1354470, 1371835, 1395693, 1417260, 1550770, 1625364, 1646202, 1860924, 2031705, 2125890, 2147220, 2326155, 2469303, 2708940, 2743670, 2791386, 3101540, 3292404, 3566771, 4063410, 4115505, 4251780, 4652310, 4938606, 5487340, 5582772, 6978465, 7133542, 8126820, 8231010, 9304620, 9877212, 10700313, 12346515, 13956930, 14267084, 16462020, 17833855, 21400626, 24693030, 27913860, 32100939, 35667710, 42801252, 49386060, 53501565, 64201878, 71335420, 107003130, 128403756, 160504695, 214006260, 321009390, 642018780]

約数ペア:

[(1, 642018780), (2, 321009390), (3, 214006260), (4, 160504695), (5, 128403756), (6, 107003130), (9, 71335420), (10, 64201878), (12, 53501565), (13, 49386060), (15, 42801252), (18, 35667710), (20, 32100939), (23, 27913860), (26, 24693030), (30, 21400626), (36, 17833855), (39, 16462020), (45, 14267084), (46, 13956930), (52, 12346515), (60, 10700313), (65, 9877212), (69, 9304620), (78, 8231010), (79, 8126820), (90, 7133542), (92, 6978465), (115, 5582772), (117, 5487340), (130, 4938606), (138, 4652310), (151, 4251780), (156, 4115505), (158, 4063410), (180, 3566771), (195, 3292404), (207, 3101540), (230, 2791386), (234, 2743670), (237, 2708940), (260, 2469303), (276, 2326155), (299, 2147220), (302, 2125890), (316, 2031705), (345, 1860924), (390, 1646202), (395, 1625364), (414, 1550770), (453, 1417260), (460, 1395693), (468, 1371835), (474, 1354470), (585, 1097468), (598, 1073610), (604, 1062945), (690, 930462), (711, 902980), (755, 850356), (780, 823101), (790, 812682), (828, 775385), (897, 715740), (906, 708630), (948, 677235), (1027, 625140), (1035, 620308), (1170, 548734), (1185, 541788), (1196, 536805), (1359, 472420), (1380, 465231), (1422, 451490), (1495, 429444), (1510, 425178), (1580, 406341), (1794, 357870), (1812, 354315), (1817, 353340), (1963, 327060), (2054, 312570), (2070, 310154), (2265, 283452), (2340, 274367), (2370, 270894), (2691, 238580), (2718, 236210), (2844, 225745), (2990, 214722), (3020, 212589), (3081, 208380), (3473, 184860), (3555, 180596), (3588, 178935), (3634, 176670), (3926, 163530), (4108, 156285), (4140, 155077), (4485, 143148), (4530, 141726), (4740, 135447), (5135, 125028), (5382, 119290), (5436, 118105), (5451, 117780), (5889, 109020), (5980, 107361), (6162, 104190), (6795, 94484), (6946, 92430), (7110, 90298), (7268, 88335), (7852, 81765), (8970, 71574), (9060, 70863), (9085, 70668), (9243, 69460), (9815, 65412), (10270, 62514), (10419, 61620), (10764, 59645), (10902, 58890), (11778, 54510), (11929, 53820), (12324, 52095), (13455, 47716), (13590, 47242), (13892, 46215), (14220, 45149), (15405, 41676), (16353, 39260), (17365, 36972), (17667, 36340), (17940, 35787), (18170, 35334), (18486, 34730), (19630, 32706), (20540, 31257), (20838, 30810), (21804, 29445), (23556, 27255), (23621, 27180), (23858, 26910)]