261145560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 192

約数和(自身を含む): 864345600

約数和(自身を除く): 603200040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 156, 158, 163, 169, 195, 237, 260, 312, 316, 326, 338, 390, 395, 474, 489, 507, 520, 632, 652, 676, 780, 790, 815, 845, 948, 978, 1014, 1027, 1185, 1304, 1352, 1560, 1580, 1630, 1690, 1896, 1956, 2028, 2054, 2119, 2370, 2445, 2535, 3081, 3160, 3260, 3380, 3912, 4056, 4108, 4238, 4740, 4890, 5070, 5135, 6162, 6357, 6520, 6760, 8216, 8476, 9480, 9780, 10140, 10270, 10595, 12324, 12714, 12877, 13351, 15405, 16952, 19560, 20280, 20540, 21190, 24648, 25428, 25754, 26702, 27547, 30810, 31785, 38631, 40053, 41080, 42380, 50856, 51508, 53404, 55094, 61620, 63570, 64385, 66755, 77262, 80106, 82641, 84760, 103016, 106808, 110188, 123240, 127140, 128770, 133510, 137735, 154524, 160212, 165282, 167401, 193155, 200265, 220376, 254280, 257540, 267020, 275470, 309048, 320424, 330564, 334802, 386310, 400530, 413205, 502203, 515080, 534040, 550940, 661128, 669604, 772620, 801060, 826410, 837005, 1004406, 1101880, 1339208, 1545240, 1602120, 1652820, 1674010, 2008812, 2176213, 2511015, 3305640, 3348020, 4017624, 4352426, 5022030, 6528639, 6696040, 8704852, 10044060, 10881065, 13057278, 17409704, 20088120, 21762130, 26114556, 32643195, 43524260, 52229112, 65286390, 87048520, 130572780, 261145560]

約数ペア:

[(1, 261145560), (2, 130572780), (3, 87048520), (4, 65286390), (5, 52229112), (6, 43524260), (8, 32643195), (10, 26114556), (12, 21762130), (13, 20088120), (15, 17409704), (20, 13057278), (24, 10881065), (26, 10044060), (30, 8704852), (39, 6696040), (40, 6528639), (52, 5022030), (60, 4352426), (65, 4017624), (78, 3348020), (79, 3305640), (104, 2511015), (120, 2176213), (130, 2008812), (156, 1674010), (158, 1652820), (163, 1602120), (169, 1545240), (195, 1339208), (237, 1101880), (260, 1004406), (312, 837005), (316, 826410), (326, 801060), (338, 772620), (390, 669604), (395, 661128), (474, 550940), (489, 534040), (507, 515080), (520, 502203), (632, 413205), (652, 400530), (676, 386310), (780, 334802), (790, 330564), (815, 320424), (845, 309048), (948, 275470), (978, 267020), (1014, 257540), (1027, 254280), (1185, 220376), (1304, 200265), (1352, 193155), (1560, 167401), (1580, 165282), (1630, 160212), (1690, 154524), (1896, 137735), (1956, 133510), (2028, 128770), (2054, 127140), (2119, 123240), (2370, 110188), (2445, 106808), (2535, 103016), (3081, 84760), (3160, 82641), (3260, 80106), (3380, 77262), (3912, 66755), (4056, 64385), (4108, 63570), (4238, 61620), (4740, 55094), (4890, 53404), (5070, 51508), (5135, 50856), (6162, 42380), (6357, 41080), (6520, 40053), (6760, 38631), (8216, 31785), (8476, 30810), (9480, 27547), (9780, 26702), (10140, 25754), (10270, 25428), (10595, 24648), (12324, 21190), (12714, 20540), (12877, 20280), (13351, 19560), (15405, 16952)]