15623920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 39809952

約数和(自身を除く): 24186032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 83, 104, 130, 166, 181, 208, 260, 332, 362, 415, 520, 664, 724, 830, 905, 1040, 1079, 1328, 1448, 1660, 1810, 2158, 2353, 2896, 3320, 3620, 4316, 4706, 5395, 6640, 7240, 8632, 9412, 10790, 11765, 14480, 15023, 17264, 18824, 21580, 23530, 30046, 37648, 43160, 47060, 60092, 75115, 86320, 94120, 120184, 150230, 188240, 195299, 240368, 300460, 390598, 600920, 781196, 976495, 1201840, 1562392, 1952990, 3124784, 3905980, 7811960, 15623920]

約数ペア:

[(1, 15623920), (2, 7811960), (4, 3905980), (5, 3124784), (8, 1952990), (10, 1562392), (13, 1201840), (16, 976495), (20, 781196), (26, 600920), (40, 390598), (52, 300460), (65, 240368), (80, 195299), (83, 188240), (104, 150230), (130, 120184), (166, 94120), (181, 86320), (208, 75115), (260, 60092), (332, 47060), (362, 43160), (415, 37648), (520, 30046), (664, 23530), (724, 21580), (830, 18824), (905, 17264), (1040, 15023), (1079, 14480), (1328, 11765), (1448, 10790), (1660, 9412), (1810, 8632), (2158, 7240), (2353, 6640), (2896, 5395), (3320, 4706), (3620, 4316)]