154721070

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1153}}^1$

素因数の和:1247

約数の個数: 128

約数和(自身を含む): 478586880

約数和(自身を除く): 323865810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 90, 105, 126, 135, 142, 189, 210, 213, 270, 315, 355, 378, 426, 497, 630, 639, 710, 945, 994, 1065, 1153, 1278, 1491, 1890, 1917, 2130, 2306, 2485, 2982, 3195, 3459, 3834, 4473, 4970, 5765, 6390, 6918, 7455, 8071, 8946, 9585, 10377, 11530, 13419, 14910, 16142, 17295, 19170, 20754, 22365, 24213, 26838, 31131, 34590, 40355, 44730, 48426, 51885, 62262, 67095, 72639, 80710, 81863, 103770, 121065, 134190, 145278, 155655, 163726, 217917, 242130, 245589, 311310, 363195, 409315, 435834, 491178, 573041, 726390, 736767, 818630, 1089585, 1146082, 1227945, 1473534, 1719123, 2179170, 2210301, 2455890, 2865205, 3438246, 3683835, 4420602, 5157369, 5730410, 7367670, 8595615, 10314738, 11051505, 15472107, 17191230, 22103010, 25786845, 30944214, 51573690, 77360535, 154721070]

約数ペア:

[(1, 154721070), (2, 77360535), (3, 51573690), (5, 30944214), (6, 25786845), (7, 22103010), (9, 17191230), (10, 15472107), (14, 11051505), (15, 10314738), (18, 8595615), (21, 7367670), (27, 5730410), (30, 5157369), (35, 4420602), (42, 3683835), (45, 3438246), (54, 2865205), (63, 2455890), (70, 2210301), (71, 2179170), (90, 1719123), (105, 1473534), (126, 1227945), (135, 1146082), (142, 1089585), (189, 818630), (210, 736767), (213, 726390), (270, 573041), (315, 491178), (355, 435834), (378, 409315), (426, 363195), (497, 311310), (630, 245589), (639, 242130), (710, 217917), (945, 163726), (994, 155655), (1065, 145278), (1153, 134190), (1278, 121065), (1491, 103770), (1890, 81863), (1917, 80710), (2130, 72639), (2306, 67095), (2485, 62262), (2982, 51885), (3195, 48426), (3459, 44730), (3834, 40355), (4473, 34590), (4970, 31131), (5765, 26838), (6390, 24213), (6918, 22365), (7455, 20754), (8071, 19170), (8946, 17295), (9585, 16142), (10377, 14910), (11530, 13419)]