1309880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 3477600

約数和(自身を除く): 2167720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 229, 260, 286, 440, 458, 520, 572, 715, 916, 1144, 1145, 1430, 1832, 2290, 2519, 2860, 2977, 4580, 5038, 5720, 5954, 9160, 10076, 11908, 12595, 14885, 20152, 23816, 25190, 29770, 32747, 50380, 59540, 65494, 100760, 119080, 130988, 163735, 261976, 327470, 654940, 1309880]

約数ペア:

[(1, 1309880), (2, 654940), (4, 327470), (5, 261976), (8, 163735), (10, 130988), (11, 119080), (13, 100760), (20, 65494), (22, 59540), (26, 50380), (40, 32747), (44, 29770), (52, 25190), (55, 23816), (65, 20152), (88, 14885), (104, 12595), (110, 11908), (130, 10076), (143, 9160), (220, 5954), (229, 5720), (260, 5038), (286, 4580), (440, 2977), (458, 2860), (520, 2519), (572, 2290), (715, 1832), (916, 1430), (1144, 1145)]