257453820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110023}}^1$

素因数の和:110051

約数の個数: 72

約数和(自身を含む): 841023456

約数和(自身を除く): 583569636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 110023, 220046, 330069, 440092, 550115, 660138, 990207, 1100230, 1320276, 1430299, 1650345, 1980414, 2200460, 2860598, 3300690, 3960828, 4290897, 4951035, 5721196, 6601380, 7151495, 8581794, 9902070, 12872691, 14302990, 17163588, 19804140, 21454485, 25745382, 28605980, 42908970, 51490764, 64363455, 85817940, 128726910, 257453820]

約数ペア:

[(1, 257453820), (2, 128726910), (3, 85817940), (4, 64363455), (5, 51490764), (6, 42908970), (9, 28605980), (10, 25745382), (12, 21454485), (13, 19804140), (15, 17163588), (18, 14302990), (20, 12872691), (26, 9902070), (30, 8581794), (36, 7151495), (39, 6601380), (45, 5721196), (52, 4951035), (60, 4290897), (65, 3960828), (78, 3300690), (90, 2860598), (117, 2200460), (130, 1980414), (156, 1650345), (180, 1430299), (195, 1320276), (234, 1100230), (260, 990207), (390, 660138), (468, 550115), (585, 440092), (780, 330069), (1170, 220046), (2340, 110023)]