240639880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6907}}^1$

素因数の和:6998

約数の個数: 64

約数和(自身を含む): 591877440

約数和(自身を除く): 351237560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 6907, 6968, 8710, 13814, 17420, 27628, 34535, 34840, 55256, 69070, 89791, 138140, 179582, 276280, 359164, 448955, 462769, 718328, 897910, 925538, 1795820, 1851076, 2313845, 3591640, 3702152, 4627690, 6015997, 9255380, 12031994, 18510760, 24063988, 30079985, 48127976, 60159970, 120319940, 240639880]

約数ペア:

[(1, 240639880), (2, 120319940), (4, 60159970), (5, 48127976), (8, 30079985), (10, 24063988), (13, 18510760), (20, 12031994), (26, 9255380), (40, 6015997), (52, 4627690), (65, 3702152), (67, 3591640), (104, 2313845), (130, 1851076), (134, 1795820), (260, 925538), (268, 897910), (335, 718328), (520, 462769), (536, 448955), (670, 359164), (871, 276280), (1340, 179582), (1742, 138140), (2680, 89791), (3484, 69070), (4355, 55256), (6907, 34840), (6968, 34535), (8710, 27628), (13814, 17420)]