128858340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165203}}^1$

素因数の和:165228

約数の個数: 48

約数和(自身を含む): 388559808

約数和(自身を除く): 259701468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 165203, 330406, 495609, 660812, 826015, 991218, 1652030, 1982436, 2147639, 2478045, 3304060, 4295278, 4956090, 6442917, 8590556, 9912180, 10738195, 12885834, 21476390, 25771668, 32214585, 42952780, 64429170, 128858340]

約数ペア:

[(1, 128858340), (2, 64429170), (3, 42952780), (4, 32214585), (5, 25771668), (6, 21476390), (10, 12885834), (12, 10738195), (13, 9912180), (15, 8590556), (20, 6442917), (26, 4956090), (30, 4295278), (39, 3304060), (52, 2478045), (60, 2147639), (65, 1982436), (78, 1652030), (130, 991218), (156, 826015), (195, 660812), (260, 495609), (390, 330406), (780, 165203)]