1555490040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{997109}}^1$

素因数の和:997136

約数の個数: 64

約数和(自身を含む): 5025434400

約数和(自身を除く): 3469944360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 997109, 1994218, 2991327, 3988436, 4985545, 5982654, 7976872, 9971090, 11965308, 12962417, 14956635, 19942180, 23930616, 25924834, 29913270, 38887251, 39884360, 51849668, 59826540, 64812085, 77774502, 103699336, 119653080, 129624170, 155549004, 194436255, 259248340, 311098008, 388872510, 518496680, 777745020, 1555490040]

約数ペア:

[(1, 1555490040), (2, 777745020), (3, 518496680), (4, 388872510), (5, 311098008), (6, 259248340), (8, 194436255), (10, 155549004), (12, 129624170), (13, 119653080), (15, 103699336), (20, 77774502), (24, 64812085), (26, 59826540), (30, 51849668), (39, 39884360), (40, 38887251), (52, 29913270), (60, 25924834), (65, 23930616), (78, 19942180), (104, 14956635), (120, 12962417), (130, 11965308), (156, 9971090), (195, 7976872), (260, 5982654), (312, 4985545), (390, 3988436), (520, 2991327), (780, 1994218), (1560, 997109)]