641244120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{1063}}^1$

素因数の和:1545

約数の個数: 128

約数和(自身を含む): 2105187840

約数和(自身を除く): 1463943720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 457, 660, 914, 1063, 1320, 1371, 1828, 2126, 2285, 2742, 3189, 3656, 4252, 4570, 5027, 5315, 5484, 6378, 6855, 8504, 9140, 10054, 10630, 10968, 11693, 12756, 13710, 15081, 15945, 18280, 20108, 21260, 23386, 25135, 25512, 27420, 30162, 31890, 35079, 40216, 42520, 46772, 50270, 54840, 58465, 60324, 63780, 70158, 75405, 93544, 100540, 116930, 120648, 127560, 140316, 150810, 175395, 201080, 233860, 280632, 301620, 350790, 467720, 485791, 603240, 701580, 971582, 1403160, 1457373, 1943164, 2428955, 2914746, 3886328, 4857910, 5343701, 5829492, 7286865, 9715820, 10687402, 11658984, 14573730, 16031103, 19431640, 21374804, 26718505, 29147460, 32062206, 42749608, 53437010, 58294920, 64124412, 80155515, 106874020, 128248824, 160311030, 213748040, 320622060, 641244120]

約数ペア:

[(1, 641244120), (2, 320622060), (3, 213748040), (4, 160311030), (5, 128248824), (6, 106874020), (8, 80155515), (10, 64124412), (11, 58294920), (12, 53437010), (15, 42749608), (20, 32062206), (22, 29147460), (24, 26718505), (30, 21374804), (33, 19431640), (40, 16031103), (44, 14573730), (55, 11658984), (60, 10687402), (66, 9715820), (88, 7286865), (110, 5829492), (120, 5343701), (132, 4857910), (165, 3886328), (220, 2914746), (264, 2428955), (330, 1943164), (440, 1457373), (457, 1403160), (660, 971582), (914, 701580), (1063, 603240), (1320, 485791), (1371, 467720), (1828, 350790), (2126, 301620), (2285, 280632), (2742, 233860), (3189, 201080), (3656, 175395), (4252, 150810), (4570, 140316), (5027, 127560), (5315, 120648), (5484, 116930), (6378, 100540), (6855, 93544), (8504, 75405), (9140, 70158), (10054, 63780), (10630, 60324), (10968, 58465), (11693, 54840), (12756, 50270), (13710, 46772), (15081, 42520), (15945, 40216), (18280, 35079), (20108, 31890), (21260, 30162), (23386, 27420), (25135, 25512)]