66404450840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18242981}}^1$

素因数の和:18243012

約数の個数: 64

約数和(自身を含む): 183889258560

約数和(自身を除く): 117484807720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 18242981, 36485962, 72971924, 91214905, 127700867, 145943848, 182429810, 237158753, 255401734, 364859620, 474317506, 510803468, 638504335, 729719240, 948635012, 1021606936, 1185793765, 1277008670, 1660111271, 1897270024, 2371587530, 2554017340, 3320222542, 4743175060, 5108034680, 6640445084, 8300556355, 9486350120, 13280890168, 16601112710, 33202225420, 66404450840]

約数ペア:

[(1, 66404450840), (2, 33202225420), (4, 16601112710), (5, 13280890168), (7, 9486350120), (8, 8300556355), (10, 6640445084), (13, 5108034680), (14, 4743175060), (20, 3320222542), (26, 2554017340), (28, 2371587530), (35, 1897270024), (40, 1660111271), (52, 1277008670), (56, 1185793765), (65, 1021606936), (70, 948635012), (91, 729719240), (104, 638504335), (130, 510803468), (140, 474317506), (182, 364859620), (260, 255401734), (280, 237158753), (364, 182429810), (455, 145943848), (520, 127700867), (728, 91214905), (910, 72971924), (1820, 36485962), (3640, 18242981)]