164921640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1587

約数の個数: 128

約数和(自身を含む): 540691200

約数和(自身を除く): 375769560

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, 710, 780, 852, 923, 1065, 1420, 1489, 1560, 1704, 1846, 2130, 2769, 2840, 2978, 3692, 4260, 4467, 4615, 5538, 5956, 7384, 7445, 8520, 8934, 9230, 11076, 11912, 13845, 14890, 17868, 18460, 19357, 22152, 22335, 27690, 29780, 35736, 36920, 38714, 44670, 55380, 58071, 59560, 77428, 89340, 96785, 105719, 110760, 116142, 154856, 178680, 193570, 211438, 232284, 290355, 317157, 387140, 422876, 464568, 528595, 580710, 634314, 774280, 845752, 1057190, 1161420, 1268628, 1374347, 1585785, 2114380, 2322840, 2537256, 2748694, 3171570, 4123041, 4228760, 5497388, 6343140, 6871735, 8246082, 10994776, 12686280, 13743470, 16492164, 20615205, 27486940, 32984328, 41230410, 54973880, 82460820, 164921640]

約数ペア:

[(1, 164921640), (2, 82460820), (3, 54973880), (4, 41230410), (5, 32984328), (6, 27486940), (8, 20615205), (10, 16492164), (12, 13743470), (13, 12686280), (15, 10994776), (20, 8246082), (24, 6871735), (26, 6343140), (30, 5497388), (39, 4228760), (40, 4123041), (52, 3171570), (60, 2748694), (65, 2537256), (71, 2322840), (78, 2114380), (104, 1585785), (120, 1374347), (130, 1268628), (142, 1161420), (156, 1057190), (195, 845752), (213, 774280), (260, 634314), (284, 580710), (312, 528595), (355, 464568), (390, 422876), (426, 387140), (520, 317157), (568, 290355), (710, 232284), (780, 211438), (852, 193570), (923, 178680), (1065, 154856), (1420, 116142), (1489, 110760), (1560, 105719), (1704, 96785), (1846, 89340), (2130, 77428), (2769, 59560), (2840, 58071), (2978, 55380), (3692, 44670), (4260, 38714), (4467, 36920), (4615, 35736), (5538, 29780), (5956, 27690), (7384, 22335), (7445, 22152), (8520, 19357), (8934, 18460), (9230, 17868), (11076, 14890), (11912, 13845)]