153451240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2633}}^1$

素因数の和:2722

約数の個数: 64

約数和(自身を含む): 364124160

約数和(自身を除く): 210672920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1880, 2633, 2914, 5266, 5828, 7285, 10532, 11656, 13165, 14570, 21064, 26330, 29140, 52660, 58280, 81623, 105320, 123751, 163246, 247502, 326492, 408115, 495004, 618755, 652984, 816230, 990008, 1237510, 1632460, 2475020, 3264920, 3836281, 4950040, 7672562, 15345124, 19181405, 30690248, 38362810, 76725620, 153451240]

約数ペア:

[(1, 153451240), (2, 76725620), (4, 38362810), (5, 30690248), (8, 19181405), (10, 15345124), (20, 7672562), (31, 4950040), (40, 3836281), (47, 3264920), (62, 2475020), (94, 1632460), (124, 1237510), (155, 990008), (188, 816230), (235, 652984), (248, 618755), (310, 495004), (376, 408115), (470, 326492), (620, 247502), (940, 163246), (1240, 123751), (1457, 105320), (1880, 81623), (2633, 58280), (2914, 52660), (5266, 29140), (5828, 26330), (7285, 21064), (10532, 14570), (11656, 13165)]