71218680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:741

約数の個数: 128

約数和(自身を含む): 233694720

約数和(自身を除く): 162476040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 71, 78, 104, 120, 130, 142, 156, 195, 213, 260, 284, 312, 355, 390, 426, 520, 568, 643, 710, 780, 852, 923, 1065, 1286, 1420, 1560, 1704, 1846, 1929, 2130, 2572, 2769, 2840, 3215, 3692, 3858, 4260, 4615, 5144, 5538, 6430, 7384, 7716, 8359, 8520, 9230, 9645, 11076, 12860, 13845, 15432, 16718, 18460, 19290, 22152, 25077, 25720, 27690, 33436, 36920, 38580, 41795, 45653, 50154, 55380, 66872, 77160, 83590, 91306, 100308, 110760, 125385, 136959, 167180, 182612, 200616, 228265, 250770, 273918, 334360, 365224, 456530, 501540, 547836, 593489, 684795, 913060, 1003080, 1095672, 1186978, 1369590, 1780467, 1826120, 2373956, 2739180, 2967445, 3560934, 4747912, 5478360, 5934890, 7121868, 8902335, 11869780, 14243736, 17804670, 23739560, 35609340, 71218680]

約数ペア:

[(1, 71218680), (2, 35609340), (3, 23739560), (4, 17804670), (5, 14243736), (6, 11869780), (8, 8902335), (10, 7121868), (12, 5934890), (13, 5478360), (15, 4747912), (20, 3560934), (24, 2967445), (26, 2739180), (30, 2373956), (39, 1826120), (40, 1780467), (52, 1369590), (60, 1186978), (65, 1095672), (71, 1003080), (78, 913060), (104, 684795), (120, 593489), (130, 547836), (142, 501540), (156, 456530), (195, 365224), (213, 334360), (260, 273918), (284, 250770), (312, 228265), (355, 200616), (390, 182612), (426, 167180), (520, 136959), (568, 125385), (643, 110760), (710, 100308), (780, 91306), (852, 83590), (923, 77160), (1065, 66872), (1286, 55380), (1420, 50154), (1560, 45653), (1704, 41795), (1846, 38580), (1929, 36920), (2130, 33436), (2572, 27690), (2769, 25720), (2840, 25077), (3215, 22152), (3692, 19290), (3858, 18460), (4260, 16718), (4615, 15432), (5144, 13845), (5538, 12860), (6430, 11076), (7384, 9645), (7716, 9230), (8359, 8520)]