221296920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3299}}^1$

素因数の和:3369

約数の個数: 128

約数和(自身を含む): 731808000

約数和(自身を除く): 510511080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1118, 1290, 1560, 1677, 1720, 2236, 2580, 2795, 3299, 3354, 4472, 5160, 5590, 6598, 6708, 8385, 9897, 11180, 13196, 13416, 16495, 16770, 19794, 22360, 26392, 32990, 33540, 39588, 42887, 49485, 65980, 67080, 79176, 85774, 98970, 128661, 131960, 141857, 171548, 197940, 214435, 257322, 283714, 343096, 395880, 425571, 428870, 514644, 567428, 643305, 709285, 851142, 857740, 1029288, 1134856, 1286610, 1418570, 1702284, 1715480, 1844141, 2127855, 2573220, 2837140, 3404568, 3688282, 4255710, 5146440, 5532423, 5674280, 7376564, 8511420, 9220705, 11064846, 14753128, 17022840, 18441410, 22129692, 27662115, 36882820, 44259384, 55324230, 73765640, 110648460, 221296920]

約数ペア:

[(1, 221296920), (2, 110648460), (3, 73765640), (4, 55324230), (5, 44259384), (6, 36882820), (8, 27662115), (10, 22129692), (12, 18441410), (13, 17022840), (15, 14753128), (20, 11064846), (24, 9220705), (26, 8511420), (30, 7376564), (39, 5674280), (40, 5532423), (43, 5146440), (52, 4255710), (60, 3688282), (65, 3404568), (78, 2837140), (86, 2573220), (104, 2127855), (120, 1844141), (129, 1715480), (130, 1702284), (156, 1418570), (172, 1286610), (195, 1134856), (215, 1029288), (258, 857740), (260, 851142), (312, 709285), (344, 643305), (390, 567428), (430, 514644), (516, 428870), (520, 425571), (559, 395880), (645, 343096), (780, 283714), (860, 257322), (1032, 214435), (1118, 197940), (1290, 171548), (1560, 141857), (1677, 131960), (1720, 128661), (2236, 98970), (2580, 85774), (2795, 79176), (3299, 67080), (3354, 65980), (4472, 49485), (5160, 42887), (5590, 39588), (6598, 33540), (6708, 32990), (8385, 26392), (9897, 22360), (11180, 19794), (13196, 16770), (13416, 16495)]