256540625820

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{3067}}^1\times {\mathrm{5737}}^1$

素因数の和:8831

約数の個数: 168

約数和(自身を含む): 808137670704

約数和(自身を除く): 551597044884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2430, 2916, 3067, 3645, 4860, 5737, 6134, 7290, 9201, 11474, 12268, 14580, 15335, 17211, 18402, 22948, 27603, 28685, 30670, 34422, 36804, 46005, 51633, 55206, 57370, 61340, 68844, 82809, 86055, 92010, 103266, 110412, 114740, 138015, 154899, 165618, 172110, 184020, 206532, 248427, 258165, 276030, 309798, 331236, 344220, 414045, 464697, 496854, 516330, 552060, 619596, 745281, 774495, 828090, 929394, 993708, 1032660, 1242135, 1394091, 1490562, 1548990, 1656180, 1858788, 2235843, 2323485, 2484270, 2788182, 2981124, 3097980, 3726405, 4182273, 4471686, 4646970, 4968540, 5576364, 6970455, 7452810, 8364546, 8943372, 9293940, 11179215, 13940910, 14905620, 16729092, 17595379, 20911365, 22358430, 27881820, 35190758, 41822730, 44716860, 52786137, 70381516, 83645460, 87976895, 105572274, 158358411, 175953790, 211144548, 263930685, 316716822, 351907580, 475075233, 527861370, 633433644, 791792055, 950150466, 1055722740, 1425225699, 1583584110, 1900300932, 2375376165, 2850451398, 3167168220, 4275677097, 4750752330, 5700902796, 7126128495, 8551354194, 9501504660, 12827031291, 14252256990, 17102708388, 21378385485, 25654062582, 28504513980, 42756770970, 51308125164, 64135156455, 85513541940, 128270312910, 256540625820]

約数ペア:

[(1, 256540625820), (2, 128270312910), (3, 85513541940), (4, 64135156455), (5, 51308125164), (6, 42756770970), (9, 28504513980), (10, 25654062582), (12, 21378385485), (15, 17102708388), (18, 14252256990), (20, 12827031291), (27, 9501504660), (30, 8551354194), (36, 7126128495), (45, 5700902796), (54, 4750752330), (60, 4275677097), (81, 3167168220), (90, 2850451398), (108, 2375376165), (135, 1900300932), (162, 1583584110), (180, 1425225699), (243, 1055722740), (270, 950150466), (324, 791792055), (405, 633433644), (486, 527861370), (540, 475075233), (729, 351907580), (810, 316716822), (972, 263930685), (1215, 211144548), (1458, 175953790), (1620, 158358411), (2430, 105572274), (2916, 87976895), (3067, 83645460), (3645, 70381516), (4860, 52786137), (5737, 44716860), (6134, 41822730), (7290, 35190758), (9201, 27881820), (11474, 22358430), (12268, 20911365), (14580, 17595379), (15335, 16729092), (17211, 14905620), (18402, 13940910), (22948, 11179215), (27603, 9293940), (28685, 8943372), (30670, 8364546), (34422, 7452810), (36804, 6970455), (46005, 5576364), (51633, 4968540), (55206, 4646970), (57370, 4471686), (61340, 4182273), (68844, 3726405), (82809, 3097980), (86055, 2981124), (92010, 2788182), (103266, 2484270), (110412, 2323485), (114740, 2235843), (138015, 1858788), (154899, 1656180), (165618, 1548990), (172110, 1490562), (184020, 1394091), (206532, 1242135), (248427, 1032660), (258165, 993708), (276030, 929394), (309798, 828090), (331236, 774495), (344220, 745281), (414045, 619596), (464697, 552060), (496854, 516330)]