262553880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:641

約数の個数: 128

約数和(自身を含む): 819947520

約数和(自身を除く): 557393640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 163, 186, 248, 310, 326, 372, 433, 465, 489, 620, 652, 744, 815, 866, 930, 978, 1240, 1299, 1304, 1630, 1732, 1860, 1956, 2165, 2445, 2598, 3260, 3464, 3720, 3912, 4330, 4890, 5053, 5196, 6495, 6520, 8660, 9780, 10106, 10392, 12990, 13423, 15159, 17320, 19560, 20212, 25265, 25980, 26846, 30318, 40269, 40424, 50530, 51960, 53692, 60636, 67115, 70579, 75795, 80538, 101060, 107384, 121272, 134230, 141158, 151590, 161076, 201345, 202120, 211737, 268460, 282316, 303180, 322152, 352895, 402690, 423474, 536920, 564632, 606360, 705790, 805380, 846948, 1058685, 1411580, 1610760, 1693896, 2117370, 2187949, 2823160, 4234740, 4375898, 6563847, 8469480, 8751796, 10939745, 13127694, 17503592, 21879490, 26255388, 32819235, 43758980, 52510776, 65638470, 87517960, 131276940, 262553880]

約数ペア:

[(1, 262553880), (2, 131276940), (3, 87517960), (4, 65638470), (5, 52510776), (6, 43758980), (8, 32819235), (10, 26255388), (12, 21879490), (15, 17503592), (20, 13127694), (24, 10939745), (30, 8751796), (31, 8469480), (40, 6563847), (60, 4375898), (62, 4234740), (93, 2823160), (120, 2187949), (124, 2117370), (155, 1693896), (163, 1610760), (186, 1411580), (248, 1058685), (310, 846948), (326, 805380), (372, 705790), (433, 606360), (465, 564632), (489, 536920), (620, 423474), (652, 402690), (744, 352895), (815, 322152), (866, 303180), (930, 282316), (978, 268460), (1240, 211737), (1299, 202120), (1304, 201345), (1630, 161076), (1732, 151590), (1860, 141158), (1956, 134230), (2165, 121272), (2445, 107384), (2598, 101060), (3260, 80538), (3464, 75795), (3720, 70579), (3912, 67115), (4330, 60636), (4890, 53692), (5053, 51960), (5196, 50530), (6495, 40424), (6520, 40269), (8660, 30318), (9780, 26846), (10106, 25980), (10392, 25265), (12990, 20212), (13423, 19560), (15159, 17320)]