165671940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1523}}^1$

素因数の和:1586

約数の個数: 144

約数和(自身を含む): 554565312

約数和(自身を除く): 388893372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 259, 294, 370, 420, 444, 490, 518, 555, 588, 735, 740, 777, 980, 1036, 1110, 1295, 1470, 1523, 1554, 1813, 2220, 2590, 2940, 3046, 3108, 3626, 3885, 4569, 5180, 5439, 6092, 7252, 7615, 7770, 9065, 9138, 10661, 10878, 15230, 15540, 18130, 18276, 21322, 21756, 22845, 27195, 30460, 31983, 36260, 42644, 45690, 53305, 54390, 56351, 63966, 74627, 91380, 106610, 108780, 112702, 127932, 149254, 159915, 169053, 213220, 223881, 225404, 281755, 298508, 319830, 338106, 373135, 394457, 447762, 563510, 639660, 676212, 746270, 788914, 845265, 895524, 1119405, 1127020, 1183371, 1492540, 1577828, 1690530, 1972285, 2238810, 2366742, 2761199, 3381060, 3944570, 4477620, 4733484, 5522398, 5916855, 7889140, 8283597, 11044796, 11833710, 13805995, 16567194, 23667420, 27611990, 33134388, 41417985, 55223980, 82835970, 165671940]

約数ペア:

[(1, 165671940), (2, 82835970), (3, 55223980), (4, 41417985), (5, 33134388), (6, 27611990), (7, 23667420), (10, 16567194), (12, 13805995), (14, 11833710), (15, 11044796), (20, 8283597), (21, 7889140), (28, 5916855), (30, 5522398), (35, 4733484), (37, 4477620), (42, 3944570), (49, 3381060), (60, 2761199), (70, 2366742), (74, 2238810), (84, 1972285), (98, 1690530), (105, 1577828), (111, 1492540), (140, 1183371), (147, 1127020), (148, 1119405), (185, 895524), (196, 845265), (210, 788914), (222, 746270), (245, 676212), (259, 639660), (294, 563510), (370, 447762), (420, 394457), (444, 373135), (490, 338106), (518, 319830), (555, 298508), (588, 281755), (735, 225404), (740, 223881), (777, 213220), (980, 169053), (1036, 159915), (1110, 149254), (1295, 127932), (1470, 112702), (1523, 108780), (1554, 106610), (1813, 91380), (2220, 74627), (2590, 63966), (2940, 56351), (3046, 54390), (3108, 53305), (3626, 45690), (3885, 42644), (4569, 36260), (5180, 31983), (5439, 30460), (6092, 27195), (7252, 22845), (7615, 21756), (7770, 21322), (9065, 18276), (9138, 18130), (10661, 15540), (10878, 15230)]