2159880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 6652800

約数和(自身を除く): 4492920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 439, 492, 615, 820, 878, 984, 1230, 1317, 1640, 1756, 2195, 2460, 2634, 3512, 4390, 4920, 5268, 6585, 8780, 10536, 13170, 17560, 17999, 26340, 35998, 52680, 53997, 71996, 89995, 107994, 143992, 179990, 215988, 269985, 359980, 431976, 539970, 719960, 1079940, 2159880]

約数ペア:

[(1, 2159880), (2, 1079940), (3, 719960), (4, 539970), (5, 431976), (6, 359980), (8, 269985), (10, 215988), (12, 179990), (15, 143992), (20, 107994), (24, 89995), (30, 71996), (40, 53997), (41, 52680), (60, 35998), (82, 26340), (120, 17999), (123, 17560), (164, 13170), (205, 10536), (246, 8780), (328, 6585), (410, 5268), (439, 4920), (492, 4390), (615, 3512), (820, 2634), (878, 2460), (984, 2195), (1230, 1756), (1317, 1640)]