1211640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 3801600

約数和(自身を除く): 2589960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 439, 460, 552, 690, 878, 920, 1317, 1380, 1756, 2195, 2634, 2760, 3512, 4390, 5268, 6585, 8780, 10097, 10536, 13170, 17560, 20194, 26340, 30291, 40388, 50485, 52680, 60582, 80776, 100970, 121164, 151455, 201940, 242328, 302910, 403880, 605820, 1211640]

約数ペア:

[(1, 1211640), (2, 605820), (3, 403880), (4, 302910), (5, 242328), (6, 201940), (8, 151455), (10, 121164), (12, 100970), (15, 80776), (20, 60582), (23, 52680), (24, 50485), (30, 40388), (40, 30291), (46, 26340), (60, 20194), (69, 17560), (92, 13170), (115, 10536), (120, 10097), (138, 8780), (184, 6585), (230, 5268), (276, 4390), (345, 3512), (439, 2760), (460, 2634), (552, 2195), (690, 1756), (878, 1380), (920, 1317)]