2765549680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:387

約数の個数: 160

約数和(自身を含む): 6850561536

約数和(自身を除く): 4085011856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 101, 122, 124, 155, 181, 202, 244, 248, 305, 310, 362, 404, 488, 496, 505, 610, 620, 724, 808, 905, 976, 1010, 1220, 1240, 1448, 1616, 1810, 1891, 2020, 2440, 2480, 2896, 3131, 3620, 3782, 4040, 4880, 5611, 6161, 6262, 7240, 7564, 8080, 9455, 11041, 11222, 12322, 12524, 14480, 15128, 15655, 18281, 18910, 22082, 22444, 24644, 25048, 28055, 30256, 30805, 31310, 36562, 37820, 44164, 44888, 49288, 50096, 55205, 56110, 61610, 62620, 73124, 75640, 88328, 89776, 91405, 98576, 110410, 112220, 123220, 125240, 146248, 151280, 176656, 182810, 190991, 220820, 224440, 246440, 250480, 292496, 342271, 365620, 381982, 441640, 448880, 492880, 566711, 684542, 731240, 763964, 883280, 954955, 1115141, 1133422, 1369084, 1462480, 1527928, 1711355, 1909910, 2230282, 2266844, 2738168, 2833555, 3055856, 3422710, 3819820, 4460564, 4533688, 5476336, 5575705, 5667110, 6845420, 7639640, 8921128, 9067376, 11151410, 11334220, 13690840, 15279280, 17842256, 22302820, 22668440, 27381680, 34569371, 44605640, 45336880, 69138742, 89211280, 138277484, 172846855, 276554968, 345693710, 553109936, 691387420, 1382774840, 2765549680]

約数ペア:

[(1, 2765549680), (2, 1382774840), (4, 691387420), (5, 553109936), (8, 345693710), (10, 276554968), (16, 172846855), (20, 138277484), (31, 89211280), (40, 69138742), (61, 45336880), (62, 44605640), (80, 34569371), (101, 27381680), (122, 22668440), (124, 22302820), (155, 17842256), (181, 15279280), (202, 13690840), (244, 11334220), (248, 11151410), (305, 9067376), (310, 8921128), (362, 7639640), (404, 6845420), (488, 5667110), (496, 5575705), (505, 5476336), (610, 4533688), (620, 4460564), (724, 3819820), (808, 3422710), (905, 3055856), (976, 2833555), (1010, 2738168), (1220, 2266844), (1240, 2230282), (1448, 1909910), (1616, 1711355), (1810, 1527928), (1891, 1462480), (2020, 1369084), (2440, 1133422), (2480, 1115141), (2896, 954955), (3131, 883280), (3620, 763964), (3782, 731240), (4040, 684542), (4880, 566711), (5611, 492880), (6161, 448880), (6262, 441640), (7240, 381982), (7564, 365620), (8080, 342271), (9455, 292496), (11041, 250480), (11222, 246440), (12322, 224440), (12524, 220820), (14480, 190991), (15128, 182810), (15655, 176656), (18281, 151280), (18910, 146248), (22082, 125240), (22444, 123220), (24644, 112220), (25048, 110410), (28055, 98576), (30256, 91405), (30805, 89776), (31310, 88328), (36562, 75640), (37820, 73124), (44164, 62620), (44888, 61610), (49288, 56110), (50096, 55205)]