81839040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:706

約数の個数: 112

約数和(自身を含む): 261932928

約数和(自身を除く): 180093888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 163, 192, 240, 320, 326, 480, 489, 523, 652, 815, 960, 978, 1046, 1304, 1569, 1630, 1956, 2092, 2445, 2608, 2615, 3138, 3260, 3912, 4184, 4890, 5216, 5230, 6276, 6520, 7824, 7845, 8368, 9780, 10432, 10460, 12552, 13040, 15648, 15690, 16736, 19560, 20920, 25104, 26080, 31296, 31380, 33472, 39120, 41840, 50208, 52160, 62760, 78240, 83680, 85249, 100416, 125520, 156480, 167360, 170498, 251040, 255747, 340996, 426245, 502080, 511494, 681992, 852490, 1022988, 1278735, 1363984, 1704980, 2045976, 2557470, 2727968, 3409960, 4091952, 5114940, 5455936, 6819920, 8183904, 10229880, 13639840, 16367808, 20459760, 27279680, 40919520, 81839040]

約数ペア:

[(1, 81839040), (2, 40919520), (3, 27279680), (4, 20459760), (5, 16367808), (6, 13639840), (8, 10229880), (10, 8183904), (12, 6819920), (15, 5455936), (16, 5114940), (20, 4091952), (24, 3409960), (30, 2727968), (32, 2557470), (40, 2045976), (48, 1704980), (60, 1363984), (64, 1278735), (80, 1022988), (96, 852490), (120, 681992), (160, 511494), (163, 502080), (192, 426245), (240, 340996), (320, 255747), (326, 251040), (480, 170498), (489, 167360), (523, 156480), (652, 125520), (815, 100416), (960, 85249), (978, 83680), (1046, 78240), (1304, 62760), (1569, 52160), (1630, 50208), (1956, 41840), (2092, 39120), (2445, 33472), (2608, 31380), (2615, 31296), (3138, 26080), (3260, 25104), (3912, 20920), (4184, 19560), (4890, 16736), (5216, 15690), (5230, 15648), (6276, 13040), (6520, 12552), (7824, 10460), (7845, 10432), (8368, 9780)]