247382460

素因数分解:

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

素因数の和:1588

約数の個数: 144

約数和(自身を含む): 820048320

約数和(自身を除く): 572665860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 71, 78, 90, 117, 130, 142, 156, 180, 195, 213, 234, 260, 284, 355, 390, 426, 468, 585, 639, 710, 780, 852, 923, 1065, 1170, 1278, 1420, 1489, 1846, 2130, 2340, 2556, 2769, 2978, 3195, 3692, 4260, 4467, 4615, 5538, 5956, 6390, 7445, 8307, 8934, 9230, 11076, 12780, 13401, 13845, 14890, 16614, 17868, 18460, 19357, 22335, 26802, 27690, 29780, 33228, 38714, 41535, 44670, 53604, 55380, 58071, 67005, 77428, 83070, 89340, 96785, 105719, 116142, 134010, 166140, 174213, 193570, 211438, 232284, 268020, 290355, 317157, 348426, 387140, 422876, 528595, 580710, 634314, 696852, 871065, 951471, 1057190, 1161420, 1268628, 1374347, 1585785, 1742130, 1902942, 2114380, 2748694, 3171570, 3484260, 3805884, 4123041, 4757355, 5497388, 6343140, 6871735, 8246082, 9514710, 12369123, 13743470, 16492164, 19029420, 20615205, 24738246, 27486940, 41230410, 49476492, 61845615, 82460820, 123691230, 247382460]

約数ペア:

[(1, 247382460), (2, 123691230), (3, 82460820), (4, 61845615), (5, 49476492), (6, 41230410), (9, 27486940), (10, 24738246), (12, 20615205), (13, 19029420), (15, 16492164), (18, 13743470), (20, 12369123), (26, 9514710), (30, 8246082), (36, 6871735), (39, 6343140), (45, 5497388), (52, 4757355), (60, 4123041), (65, 3805884), (71, 3484260), (78, 3171570), (90, 2748694), (117, 2114380), (130, 1902942), (142, 1742130), (156, 1585785), (180, 1374347), (195, 1268628), (213, 1161420), (234, 1057190), (260, 951471), (284, 871065), (355, 696852), (390, 634314), (426, 580710), (468, 528595), (585, 422876), (639, 387140), (710, 348426), (780, 317157), (852, 290355), (923, 268020), (1065, 232284), (1170, 211438), (1278, 193570), (1420, 174213), (1489, 166140), (1846, 134010), (2130, 116142), (2340, 105719), (2556, 96785), (2769, 89340), (2978, 83070), (3195, 77428), (3692, 67005), (4260, 58071), (4467, 55380), (4615, 53604), (5538, 44670), (5956, 41535), (6390, 38714), (7445, 33228), (8307, 29780), (8934, 27690), (9230, 26802), (11076, 22335), (12780, 19357), (13401, 18460), (13845, 17868), (14890, 16614)]