40142880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:539

約数の個数: 144

約数和(自身を含む): 139537944

約数和(自身を除く): 99395064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 457, 480, 488, 549, 610, 720, 732, 914, 915, 976, 1098, 1220, 1371, 1440, 1464, 1828, 1830, 1952, 2196, 2285, 2440, 2742, 2745, 2928, 3656, 3660, 4113, 4392, 4570, 4880, 5484, 5490, 5856, 6855, 7312, 7320, 8226, 8784, 9140, 9760, 10968, 10980, 13710, 14624, 14640, 16452, 17568, 18280, 20565, 21936, 21960, 27420, 27877, 29280, 32904, 36560, 41130, 43872, 43920, 54840, 55754, 65808, 73120, 82260, 83631, 87840, 109680, 111508, 131616, 139385, 164520, 167262, 219360, 223016, 250893, 278770, 329040, 334524, 418155, 446032, 501786, 557540, 658080, 669048, 836310, 892064, 1003572, 1115080, 1254465, 1338096, 1672620, 2007144, 2230160, 2508930, 2676192, 3345240, 4014288, 4460320, 5017860, 6690480, 8028576, 10035720, 13380960, 20071440, 40142880]

約数ペア:

[(1, 40142880), (2, 20071440), (3, 13380960), (4, 10035720), (5, 8028576), (6, 6690480), (8, 5017860), (9, 4460320), (10, 4014288), (12, 3345240), (15, 2676192), (16, 2508930), (18, 2230160), (20, 2007144), (24, 1672620), (30, 1338096), (32, 1254465), (36, 1115080), (40, 1003572), (45, 892064), (48, 836310), (60, 669048), (61, 658080), (72, 557540), (80, 501786), (90, 446032), (96, 418155), (120, 334524), (122, 329040), (144, 278770), (160, 250893), (180, 223016), (183, 219360), (240, 167262), (244, 164520), (288, 139385), (305, 131616), (360, 111508), (366, 109680), (457, 87840), (480, 83631), (488, 82260), (549, 73120), (610, 65808), (720, 55754), (732, 54840), (914, 43920), (915, 43872), (976, 41130), (1098, 36560), (1220, 32904), (1371, 29280), (1440, 27877), (1464, 27420), (1828, 21960), (1830, 21936), (1952, 20565), (2196, 18280), (2285, 17568), (2440, 16452), (2742, 14640), (2745, 14624), (2928, 13710), (3656, 10980), (3660, 10968), (4113, 9760), (4392, 9140), (4570, 8784), (4880, 8226), (5484, 7320), (5490, 7312), (5856, 6855)]