131438760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 412646400

約数和(自身を除く): 281207640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 89, 93, 120, 124, 155, 178, 186, 248, 267, 310, 356, 372, 397, 445, 465, 534, 620, 712, 744, 794, 890, 930, 1068, 1191, 1240, 1335, 1588, 1780, 1860, 1985, 2136, 2382, 2670, 2759, 3176, 3560, 3720, 3970, 4764, 5340, 5518, 5955, 7940, 8277, 9528, 10680, 11036, 11910, 12307, 13795, 15880, 16554, 22072, 23820, 24614, 27590, 33108, 35333, 36921, 41385, 47640, 49228, 55180, 61535, 66216, 70666, 73842, 82770, 98456, 105999, 110360, 123070, 141332, 147684, 165540, 176665, 184605, 211998, 246140, 282664, 295368, 331080, 353330, 369210, 423996, 492280, 529995, 706660, 738420, 847992, 1059990, 1095323, 1413320, 1476840, 2119980, 2190646, 3285969, 4239960, 4381292, 5476615, 6571938, 8762584, 10953230, 13143876, 16429845, 21906460, 26287752, 32859690, 43812920, 65719380, 131438760]

約数ペア:

[(1, 131438760), (2, 65719380), (3, 43812920), (4, 32859690), (5, 26287752), (6, 21906460), (8, 16429845), (10, 13143876), (12, 10953230), (15, 8762584), (20, 6571938), (24, 5476615), (30, 4381292), (31, 4239960), (40, 3285969), (60, 2190646), (62, 2119980), (89, 1476840), (93, 1413320), (120, 1095323), (124, 1059990), (155, 847992), (178, 738420), (186, 706660), (248, 529995), (267, 492280), (310, 423996), (356, 369210), (372, 353330), (397, 331080), (445, 295368), (465, 282664), (534, 246140), (620, 211998), (712, 184605), (744, 176665), (794, 165540), (890, 147684), (930, 141332), (1068, 123070), (1191, 110360), (1240, 105999), (1335, 98456), (1588, 82770), (1780, 73842), (1860, 70666), (1985, 66216), (2136, 61535), (2382, 55180), (2670, 49228), (2759, 47640), (3176, 41385), (3560, 36921), (3720, 35333), (3970, 33108), (4764, 27590), (5340, 24614), (5518, 23820), (5955, 22072), (7940, 16554), (8277, 15880), (9528, 13795), (10680, 12307), (11036, 11910)]