255924760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70309}}^1$

素因数の和:70340

約数の個数: 64

約数和(自身を含む): 708724800

約数和(自身を除く): 452800040

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, 70309, 140618, 281236, 351545, 492163, 562472, 703090, 914017, 984326, 1406180, 1828034, 1968652, 2460815, 2812360, 3656068, 3937304, 4570085, 4921630, 6398119, 7312136, 9140170, 9843260, 12796238, 18280340, 19686520, 25592476, 31990595, 36560680, 51184952, 63981190, 127962380, 255924760]

約数ペア:

[(1, 255924760), (2, 127962380), (4, 63981190), (5, 51184952), (7, 36560680), (8, 31990595), (10, 25592476), (13, 19686520), (14, 18280340), (20, 12796238), (26, 9843260), (28, 9140170), (35, 7312136), (40, 6398119), (52, 4921630), (56, 4570085), (65, 3937304), (70, 3656068), (91, 2812360), (104, 2460815), (130, 1968652), (140, 1828034), (182, 1406180), (260, 984326), (280, 914017), (364, 703090), (455, 562472), (520, 492163), (728, 351545), (910, 281236), (1820, 140618), (3640, 70309)]