18128395760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3571}}^1$

素因数の和:3727

約数の個数: 160

約数和(自身を含む): 45922775040

約数和(自身を除く): 27794379280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 89, 92, 115, 124, 155, 178, 184, 230, 248, 310, 356, 368, 445, 460, 496, 620, 712, 713, 890, 920, 1240, 1424, 1426, 1780, 1840, 2047, 2480, 2759, 2852, 3560, 3565, 3571, 4094, 5518, 5704, 7120, 7130, 7142, 8188, 10235, 11036, 11408, 13795, 14260, 14284, 16376, 17855, 20470, 22072, 27590, 28520, 28568, 32752, 35710, 40940, 44144, 55180, 57040, 57136, 63457, 71420, 81880, 82133, 110360, 110701, 126914, 142840, 163760, 164266, 220720, 221402, 253828, 285680, 317285, 317819, 328532, 410665, 442804, 507656, 553505, 634570, 635638, 657064, 821330, 885608, 1015312, 1107010, 1269140, 1271276, 1314128, 1589095, 1642660, 1771216, 2214020, 2538280, 2542552, 2546123, 3178190, 3285320, 4428040, 5076560, 5085104, 5092246, 6356380, 6570640, 7309837, 8856080, 9852389, 10184492, 12712760, 12730615, 14619674, 19704778, 20368984, 25425520, 25461230, 29239348, 36549185, 39409556, 40737968, 49261945, 50922460, 58478696, 73098370, 78819112, 98523890, 101844920, 116957392, 146196740, 157638224, 197047780, 203689840, 226604947, 292393480, 394095560, 453209894, 584786960, 788191120, 906419788, 1133024735, 1812839576, 2266049470, 3625679152, 4532098940, 9064197880, 18128395760]

約数ペア:

[(1, 18128395760), (2, 9064197880), (4, 4532098940), (5, 3625679152), (8, 2266049470), (10, 1812839576), (16, 1133024735), (20, 906419788), (23, 788191120), (31, 584786960), (40, 453209894), (46, 394095560), (62, 292393480), (80, 226604947), (89, 203689840), (92, 197047780), (115, 157638224), (124, 146196740), (155, 116957392), (178, 101844920), (184, 98523890), (230, 78819112), (248, 73098370), (310, 58478696), (356, 50922460), (368, 49261945), (445, 40737968), (460, 39409556), (496, 36549185), (620, 29239348), (712, 25461230), (713, 25425520), (890, 20368984), (920, 19704778), (1240, 14619674), (1424, 12730615), (1426, 12712760), (1780, 10184492), (1840, 9852389), (2047, 8856080), (2480, 7309837), (2759, 6570640), (2852, 6356380), (3560, 5092246), (3565, 5085104), (3571, 5076560), (4094, 4428040), (5518, 3285320), (5704, 3178190), (7120, 2546123), (7130, 2542552), (7142, 2538280), (8188, 2214020), (10235, 1771216), (11036, 1642660), (11408, 1589095), (13795, 1314128), (14260, 1271276), (14284, 1269140), (16376, 1107010), (17855, 1015312), (20470, 885608), (22072, 821330), (27590, 657064), (28520, 635638), (28568, 634570), (32752, 553505), (35710, 507656), (40940, 442804), (44144, 410665), (55180, 328532), (57040, 317819), (57136, 317285), (63457, 285680), (71420, 253828), (81880, 221402), (82133, 220720), (110360, 164266), (110701, 163760), (126914, 142840)]