7978360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 19706400

約数和(自身を除く): 11728040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 229, 260, 268, 335, 458, 520, 536, 670, 871, 916, 1145, 1340, 1742, 1832, 2290, 2680, 2977, 3484, 4355, 4580, 5954, 6968, 8710, 9160, 11908, 14885, 15343, 17420, 23816, 29770, 30686, 34840, 59540, 61372, 76715, 119080, 122744, 153430, 199459, 306860, 398918, 613720, 797836, 997295, 1595672, 1994590, 3989180, 7978360]

約数ペア:

[(1, 7978360), (2, 3989180), (4, 1994590), (5, 1595672), (8, 997295), (10, 797836), (13, 613720), (20, 398918), (26, 306860), (40, 199459), (52, 153430), (65, 122744), (67, 119080), (104, 76715), (130, 61372), (134, 59540), (229, 34840), (260, 30686), (268, 29770), (335, 23816), (458, 17420), (520, 15343), (536, 14885), (670, 11908), (871, 9160), (916, 8710), (1145, 6968), (1340, 5954), (1742, 4580), (1832, 4355), (2290, 3484), (2680, 2977)]