139881920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:346

約数の個数: 112

約数和(自身を含む): 351129600

約数和(自身を除く): 211247680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 155, 160, 236, 239, 248, 295, 310, 320, 472, 478, 496, 590, 620, 944, 956, 992, 1180, 1195, 1240, 1829, 1888, 1912, 1984, 2360, 2390, 2480, 3658, 3776, 3824, 4720, 4780, 4960, 7316, 7409, 7648, 9145, 9440, 9560, 9920, 14101, 14632, 14818, 15296, 18290, 18880, 19120, 28202, 29264, 29636, 36580, 37045, 38240, 56404, 58528, 59272, 70505, 73160, 74090, 76480, 112808, 117056, 118544, 141010, 146320, 148180, 225616, 237088, 282020, 292640, 296360, 437131, 451232, 474176, 564040, 585280, 592720, 874262, 902464, 1128080, 1185440, 1748524, 2185655, 2256160, 2370880, 3497048, 4371310, 4512320, 6994096, 8742620, 13988192, 17485240, 27976384, 34970480, 69940960, 139881920]

約数ペア:

[(1, 139881920), (2, 69940960), (4, 34970480), (5, 27976384), (8, 17485240), (10, 13988192), (16, 8742620), (20, 6994096), (31, 4512320), (32, 4371310), (40, 3497048), (59, 2370880), (62, 2256160), (64, 2185655), (80, 1748524), (118, 1185440), (124, 1128080), (155, 902464), (160, 874262), (236, 592720), (239, 585280), (248, 564040), (295, 474176), (310, 451232), (320, 437131), (472, 296360), (478, 292640), (496, 282020), (590, 237088), (620, 225616), (944, 148180), (956, 146320), (992, 141010), (1180, 118544), (1195, 117056), (1240, 112808), (1829, 76480), (1888, 74090), (1912, 73160), (1984, 70505), (2360, 59272), (2390, 58528), (2480, 56404), (3658, 38240), (3776, 37045), (3824, 36580), (4720, 29636), (4780, 29264), (4960, 28202), (7316, 19120), (7409, 18880), (7648, 18290), (9145, 15296), (9440, 14818), (9560, 14632), (9920, 14101)]