178459920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3491}}^1$

素因数の和:3581

約数の個数: 120

約数和(自身を含む): 607943232

約数和(自身を除く): 429483312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 3491, 4260, 5112, 5680, 6390, 6982, 8520, 10224, 10473, 12780, 13964, 17040, 17455, 20946, 25560, 27928, 31419, 34910, 41892, 51120, 52365, 55856, 62838, 69820, 83784, 104730, 125676, 139640, 157095, 167568, 209460, 247861, 251352, 279280, 314190, 418920, 495722, 502704, 628380, 743583, 837840, 991444, 1239305, 1256760, 1487166, 1982888, 2230749, 2478610, 2513520, 2974332, 3717915, 3965776, 4461498, 4957220, 5948664, 7435830, 8922996, 9914440, 11153745, 11897328, 14871660, 17845992, 19828880, 22307490, 29743320, 35691984, 44614980, 59486640, 89229960, 178459920]

約数ペア:

[(1, 178459920), (2, 89229960), (3, 59486640), (4, 44614980), (5, 35691984), (6, 29743320), (8, 22307490), (9, 19828880), (10, 17845992), (12, 14871660), (15, 11897328), (16, 11153745), (18, 9914440), (20, 8922996), (24, 7435830), (30, 5948664), (36, 4957220), (40, 4461498), (45, 3965776), (48, 3717915), (60, 2974332), (71, 2513520), (72, 2478610), (80, 2230749), (90, 1982888), (120, 1487166), (142, 1256760), (144, 1239305), (180, 991444), (213, 837840), (240, 743583), (284, 628380), (355, 502704), (360, 495722), (426, 418920), (568, 314190), (639, 279280), (710, 251352), (720, 247861), (852, 209460), (1065, 167568), (1136, 157095), (1278, 139640), (1420, 125676), (1704, 104730), (2130, 83784), (2556, 69820), (2840, 62838), (3195, 55856), (3408, 52365), (3491, 51120), (4260, 41892), (5112, 34910), (5680, 31419), (6390, 27928), (6982, 25560), (8520, 20946), (10224, 17455), (10473, 17040), (12780, 13964)]