2012087720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{2791}}^1$

素因数の和:3138

約数の個数: 64

約数和(自身を含む): 4613500800

約数和(自身を除く): 2601413080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 269, 335, 536, 538, 670, 1076, 1340, 1345, 2152, 2680, 2690, 2791, 5380, 5582, 10760, 11164, 13955, 18023, 22328, 27910, 36046, 55820, 72092, 90115, 111640, 144184, 180230, 186997, 360460, 373994, 720920, 747988, 750779, 934985, 1495976, 1501558, 1869970, 3003116, 3739940, 3753895, 6006232, 7479880, 7507790, 15015580, 30031160, 50302193, 100604386, 201208772, 251510965, 402417544, 503021930, 1006043860, 2012087720]

約数ペア:

[(1, 2012087720), (2, 1006043860), (4, 503021930), (5, 402417544), (8, 251510965), (10, 201208772), (20, 100604386), (40, 50302193), (67, 30031160), (134, 15015580), (268, 7507790), (269, 7479880), (335, 6006232), (536, 3753895), (538, 3739940), (670, 3003116), (1076, 1869970), (1340, 1501558), (1345, 1495976), (2152, 934985), (2680, 750779), (2690, 747988), (2791, 720920), (5380, 373994), (5582, 360460), (10760, 186997), (11164, 180230), (13955, 144184), (18023, 111640), (22328, 90115), (27910, 72092), (36046, 55820)]