140507720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1627}}^1$

素因数の和:1782

約数の個数: 64

約数和(自身を含む): 337582080

約数和(自身を除く): 197074360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 170, 254, 340, 508, 635, 680, 1016, 1270, 1627, 2159, 2540, 3254, 4318, 5080, 6508, 8135, 8636, 10795, 13016, 16270, 17272, 21590, 27659, 32540, 43180, 55318, 65080, 86360, 110636, 138295, 206629, 221272, 276590, 413258, 553180, 826516, 1033145, 1106360, 1653032, 2066290, 3512693, 4132580, 7025386, 8265160, 14050772, 17563465, 28101544, 35126930, 70253860, 140507720]

約数ペア:

[(1, 140507720), (2, 70253860), (4, 35126930), (5, 28101544), (8, 17563465), (10, 14050772), (17, 8265160), (20, 7025386), (34, 4132580), (40, 3512693), (68, 2066290), (85, 1653032), (127, 1106360), (136, 1033145), (170, 826516), (254, 553180), (340, 413258), (508, 276590), (635, 221272), (680, 206629), (1016, 138295), (1270, 110636), (1627, 86360), (2159, 65080), (2540, 55318), (3254, 43180), (4318, 32540), (5080, 27659), (6508, 21590), (8135, 17272), (8636, 16270), (10795, 13016)]