19778160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3583}}^1$

素因数の和:3622

約数の個数: 80

約数和(自身を含む): 63995904

約数和(自身を除く): 44217744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3583, 5520, 7166, 10749, 14332, 17915, 21498, 28664, 35830, 42996, 53745, 57328, 71660, 82409, 85992, 107490, 143320, 164818, 171984, 214980, 247227, 286640, 329636, 412045, 429960, 494454, 659272, 824090, 859920, 988908, 1236135, 1318544, 1648180, 1977816, 2472270, 3296360, 3955632, 4944540, 6592720, 9889080, 19778160]

約数ペア:

[(1, 19778160), (2, 9889080), (3, 6592720), (4, 4944540), (5, 3955632), (6, 3296360), (8, 2472270), (10, 1977816), (12, 1648180), (15, 1318544), (16, 1236135), (20, 988908), (23, 859920), (24, 824090), (30, 659272), (40, 494454), (46, 429960), (48, 412045), (60, 329636), (69, 286640), (80, 247227), (92, 214980), (115, 171984), (120, 164818), (138, 143320), (184, 107490), (230, 85992), (240, 82409), (276, 71660), (345, 57328), (368, 53745), (460, 42996), (552, 35830), (690, 28664), (920, 21498), (1104, 17915), (1380, 14332), (1840, 10749), (2760, 7166), (3583, 5520)]