256027680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{177797}}^1$

素因数の和:177818

約数の個数: 72

約数和(自身を含む): 873699372

約数和(自身を除く): 617671692

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 177797, 355594, 533391, 711188, 888985, 1066782, 1422376, 1600173, 1777970, 2133564, 2666955, 2844752, 3200346, 3555940, 4267128, 5333910, 5689504, 6400692, 7111880, 8000865, 8534256, 10667820, 12801384, 14223760, 16001730, 17068512, 21335640, 25602768, 28447520, 32003460, 42671280, 51205536, 64006920, 85342560, 128013840, 256027680]

約数ペア:

[(1, 256027680), (2, 128013840), (3, 85342560), (4, 64006920), (5, 51205536), (6, 42671280), (8, 32003460), (9, 28447520), (10, 25602768), (12, 21335640), (15, 17068512), (16, 16001730), (18, 14223760), (20, 12801384), (24, 10667820), (30, 8534256), (32, 8000865), (36, 7111880), (40, 6400692), (45, 5689504), (48, 5333910), (60, 4267128), (72, 3555940), (80, 3200346), (90, 2844752), (96, 2666955), (120, 2133564), (144, 1777970), (160, 1600173), (180, 1422376), (240, 1066782), (288, 888985), (360, 711188), (480, 533391), (720, 355594), (1440, 177797)]