121219920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5431}}^1$

素因数の和:5481

約数の個数: 120

約数和(自身を含む): 420306432

約数和(自身を除く): 299086512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5431, 5580, 7440, 10862, 11160, 16293, 21724, 22320, 27155, 32586, 43448, 48879, 54310, 65172, 81465, 86896, 97758, 108620, 130344, 162930, 168361, 195516, 217240, 244395, 260688, 325860, 336722, 391032, 434480, 488790, 505083, 651720, 673444, 782064, 841805, 977580, 1010166, 1303440, 1346888, 1515249, 1683610, 1955160, 2020332, 2525415, 2693776, 3030498, 3367220, 3910320, 4040664, 5050830, 6060996, 6734440, 7576245, 8081328, 10101660, 12121992, 13468880, 15152490, 20203320, 24243984, 30304980, 40406640, 60609960, 121219920]

約数ペア:

[(1, 121219920), (2, 60609960), (3, 40406640), (4, 30304980), (5, 24243984), (6, 20203320), (8, 15152490), (9, 13468880), (10, 12121992), (12, 10101660), (15, 8081328), (16, 7576245), (18, 6734440), (20, 6060996), (24, 5050830), (30, 4040664), (31, 3910320), (36, 3367220), (40, 3030498), (45, 2693776), (48, 2525415), (60, 2020332), (62, 1955160), (72, 1683610), (80, 1515249), (90, 1346888), (93, 1303440), (120, 1010166), (124, 977580), (144, 841805), (155, 782064), (180, 673444), (186, 651720), (240, 505083), (248, 488790), (279, 434480), (310, 391032), (360, 336722), (372, 325860), (465, 260688), (496, 244395), (558, 217240), (620, 195516), (720, 168361), (744, 162930), (930, 130344), (1116, 108620), (1240, 97758), (1395, 86896), (1488, 81465), (1860, 65172), (2232, 54310), (2480, 48879), (2790, 43448), (3720, 32586), (4464, 27155), (5431, 22320), (5580, 21724), (7440, 16293), (10862, 11160)]