61187880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:731

約数の個数: 128

約数和(自身を含む): 201237120

約数和(自身を除く): 140049240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 61, 65, 78, 104, 120, 122, 130, 156, 183, 195, 244, 260, 305, 312, 366, 390, 488, 520, 610, 643, 732, 780, 793, 915, 1220, 1286, 1464, 1560, 1586, 1830, 1929, 2379, 2440, 2572, 3172, 3215, 3660, 3858, 3965, 4758, 5144, 6344, 6430, 7320, 7716, 7930, 8359, 9516, 9645, 11895, 12860, 15432, 15860, 16718, 19032, 19290, 23790, 25077, 25720, 31720, 33436, 38580, 39223, 41795, 47580, 50154, 66872, 77160, 78446, 83590, 95160, 100308, 117669, 125385, 156892, 167180, 196115, 200616, 235338, 250770, 313784, 334360, 392230, 470676, 501540, 509899, 588345, 784460, 941352, 1003080, 1019798, 1176690, 1529697, 1568920, 2039596, 2353380, 2549495, 3059394, 4079192, 4706760, 5098990, 6118788, 7648485, 10197980, 12237576, 15296970, 20395960, 30593940, 61187880]

約数ペア:

[(1, 61187880), (2, 30593940), (3, 20395960), (4, 15296970), (5, 12237576), (6, 10197980), (8, 7648485), (10, 6118788), (12, 5098990), (13, 4706760), (15, 4079192), (20, 3059394), (24, 2549495), (26, 2353380), (30, 2039596), (39, 1568920), (40, 1529697), (52, 1176690), (60, 1019798), (61, 1003080), (65, 941352), (78, 784460), (104, 588345), (120, 509899), (122, 501540), (130, 470676), (156, 392230), (183, 334360), (195, 313784), (244, 250770), (260, 235338), (305, 200616), (312, 196115), (366, 167180), (390, 156892), (488, 125385), (520, 117669), (610, 100308), (643, 95160), (732, 83590), (780, 78446), (793, 77160), (915, 66872), (1220, 50154), (1286, 47580), (1464, 41795), (1560, 39223), (1586, 38580), (1830, 33436), (1929, 31720), (2379, 25720), (2440, 25077), (2572, 23790), (3172, 19290), (3215, 19032), (3660, 16718), (3858, 15860), (3965, 15432), (4758, 12860), (5144, 11895), (6344, 9645), (6430, 9516), (7320, 8359), (7716, 7930)]