1291749240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1801}}^1$

素因数の和:1997

約数の個数: 128

約数和(自身を含む): 3996115200

約数和(自身を除く): 2704365960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 139, 172, 215, 258, 278, 344, 417, 430, 516, 556, 645, 695, 834, 860, 1032, 1112, 1290, 1390, 1668, 1720, 1801, 2085, 2580, 2780, 3336, 3602, 4170, 5160, 5403, 5560, 5977, 7204, 8340, 9005, 10806, 11954, 14408, 16680, 17931, 18010, 21612, 23908, 27015, 29885, 35862, 36020, 43224, 47816, 54030, 59770, 71724, 72040, 77443, 89655, 108060, 119540, 143448, 154886, 179310, 216120, 232329, 239080, 250339, 309772, 358620, 387215, 464658, 500678, 619544, 717240, 751017, 774430, 929316, 1001356, 1161645, 1251695, 1502034, 1548860, 1858632, 2002712, 2323290, 2503390, 3004068, 3097720, 3755085, 4646580, 5006780, 6008136, 7510170, 9293160, 10013560, 10764577, 15020340, 21529154, 30040680, 32293731, 43058308, 53822885, 64587462, 86116616, 107645770, 129174924, 161468655, 215291540, 258349848, 322937310, 430583080, 645874620, 1291749240]

約数ペア:

[(1, 1291749240), (2, 645874620), (3, 430583080), (4, 322937310), (5, 258349848), (6, 215291540), (8, 161468655), (10, 129174924), (12, 107645770), (15, 86116616), (20, 64587462), (24, 53822885), (30, 43058308), (40, 32293731), (43, 30040680), (60, 21529154), (86, 15020340), (120, 10764577), (129, 10013560), (139, 9293160), (172, 7510170), (215, 6008136), (258, 5006780), (278, 4646580), (344, 3755085), (417, 3097720), (430, 3004068), (516, 2503390), (556, 2323290), (645, 2002712), (695, 1858632), (834, 1548860), (860, 1502034), (1032, 1251695), (1112, 1161645), (1290, 1001356), (1390, 929316), (1668, 774430), (1720, 751017), (1801, 717240), (2085, 619544), (2580, 500678), (2780, 464658), (3336, 387215), (3602, 358620), (4170, 309772), (5160, 250339), (5403, 239080), (5560, 232329), (5977, 216120), (7204, 179310), (8340, 154886), (9005, 143448), (10806, 119540), (11954, 108060), (14408, 89655), (16680, 77443), (17931, 72040), (18010, 71724), (21612, 59770), (23908, 54030), (27015, 47816), (29885, 43224), (35862, 36020)]