74743830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 231413760

約数和(自身を除く): 156669930

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, 557, 630, 639, 710, 945, 994, 1065, 1114, 1278, 1491, 1671, 1890, 1917, 2130, 2485, 2785, 2982, 3195, 3342, 3834, 3899, 4473, 4970, 5013, 5570, 6390, 7455, 7798, 8355, 8946, 9585, 10026, 11697, 13419, 14910, 15039, 16710, 19170, 19495, 22365, 23394, 25065, 26838, 30078, 35091, 38990, 39547, 44730, 50130, 58485, 67095, 70182, 75195, 79094, 105273, 116970, 118641, 134190, 150390, 175455, 197735, 210546, 237282, 276829, 350910, 355923, 395470, 526365, 553658, 593205, 711846, 830487, 1052730, 1067769, 1186410, 1384145, 1660974, 1779615, 2135538, 2491461, 2768290, 3559230, 4152435, 4982922, 5338845, 7474383, 8304870, 10677690, 12457305, 14948766, 24914610, 37371915, 74743830]

約数ペア:

[(1, 74743830), (2, 37371915), (3, 24914610), (5, 14948766), (6, 12457305), (7, 10677690), (9, 8304870), (10, 7474383), (14, 5338845), (15, 4982922), (18, 4152435), (21, 3559230), (27, 2768290), (30, 2491461), (35, 2135538), (42, 1779615), (45, 1660974), (54, 1384145), (63, 1186410), (70, 1067769), (71, 1052730), (90, 830487), (105, 711846), (126, 593205), (135, 553658), (142, 526365), (189, 395470), (210, 355923), (213, 350910), (270, 276829), (315, 237282), (355, 210546), (378, 197735), (426, 175455), (497, 150390), (557, 134190), (630, 118641), (639, 116970), (710, 105273), (945, 79094), (994, 75195), (1065, 70182), (1114, 67095), (1278, 58485), (1491, 50130), (1671, 44730), (1890, 39547), (1917, 38990), (2130, 35091), (2485, 30078), (2785, 26838), (2982, 25065), (3195, 23394), (3342, 22365), (3834, 19495), (3899, 19170), (4473, 16710), (4970, 15039), (5013, 14910), (5570, 13419), (6390, 11697), (7455, 10026), (7798, 9585), (8355, 8946)]