1655540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 3749760

約数和(自身を除く): 2094220

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 61, 92, 115, 118, 122, 230, 236, 244, 295, 305, 460, 590, 610, 1180, 1220, 1357, 1403, 2714, 2806, 3599, 5428, 5612, 6785, 7015, 7198, 13570, 14030, 14396, 17995, 27140, 28060, 35990, 71980, 82777, 165554, 331108, 413885, 827770, 1655540]

約数ペア:

[(1, 1655540), (2, 827770), (4, 413885), (5, 331108), (10, 165554), (20, 82777), (23, 71980), (46, 35990), (59, 28060), (61, 27140), (92, 17995), (115, 14396), (118, 14030), (122, 13570), (230, 7198), (236, 7015), (244, 6785), (295, 5612), (305, 5428), (460, 3599), (590, 2806), (610, 2714), (1180, 1403), (1220, 1357)]