258766520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1579}}^1$

素因数の和:1848

約数の個数: 64

約数和(自身を含む): 619423200

約数和(自身を除く): 360656680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 241, 340, 482, 680, 964, 1205, 1579, 1928, 2410, 3158, 4097, 4820, 6316, 7895, 8194, 9640, 12632, 15790, 16388, 20485, 26843, 31580, 32776, 40970, 53686, 63160, 81940, 107372, 134215, 163880, 214744, 268430, 380539, 536860, 761078, 1073720, 1522156, 1902695, 3044312, 3805390, 6469163, 7610780, 12938326, 15221560, 25876652, 32345815, 51753304, 64691630, 129383260, 258766520]

約数ペア:

[(1, 258766520), (2, 129383260), (4, 64691630), (5, 51753304), (8, 32345815), (10, 25876652), (17, 15221560), (20, 12938326), (34, 7610780), (40, 6469163), (68, 3805390), (85, 3044312), (136, 1902695), (170, 1522156), (241, 1073720), (340, 761078), (482, 536860), (680, 380539), (964, 268430), (1205, 214744), (1579, 163880), (1928, 134215), (2410, 107372), (3158, 81940), (4097, 63160), (4820, 53686), (6316, 40970), (7895, 32776), (8194, 31580), (9640, 26843), (12632, 20485), (15790, 16388)]