181438492040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2447}}^1\times {\mathrm{142591}}^1$

素因数の和:145062

約数の個数: 64

約数和(自身を含む): 439822172160

約数和(自身を除く): 258383680120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2447, 4894, 9788, 12235, 19576, 24470, 31811, 48940, 63622, 97880, 127244, 142591, 159055, 254488, 285182, 318110, 570364, 636220, 712955, 1140728, 1272440, 1425910, 1853683, 2851820, 3707366, 5703640, 7414732, 9268415, 14829464, 18536830, 37073660, 74147320, 348920177, 697840354, 1395680708, 1744600885, 2791361416, 3489201770, 4535962301, 6978403540, 9071924602, 13956807080, 18143849204, 22679811505, 36287698408, 45359623010, 90719246020, 181438492040]

約数ペア:

[(1, 181438492040), (2, 90719246020), (4, 45359623010), (5, 36287698408), (8, 22679811505), (10, 18143849204), (13, 13956807080), (20, 9071924602), (26, 6978403540), (40, 4535962301), (52, 3489201770), (65, 2791361416), (104, 1744600885), (130, 1395680708), (260, 697840354), (520, 348920177), (2447, 74147320), (4894, 37073660), (9788, 18536830), (12235, 14829464), (19576, 9268415), (24470, 7414732), (31811, 5703640), (48940, 3707366), (63622, 2851820), (97880, 1853683), (127244, 1425910), (142591, 1272440), (159055, 1140728), (254488, 712955), (285182, 636220), (318110, 570364)]