261134640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1213}}^1$

素因数の和:1268

約数の個数: 240

約数和(自身を含む): 986311872

約数和(自身を除く): 725177232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 104, 115, 117, 120, 130, 138, 144, 156, 180, 184, 195, 207, 208, 230, 234, 240, 260, 276, 299, 312, 345, 360, 368, 390, 414, 460, 468, 520, 552, 585, 598, 624, 690, 720, 780, 828, 897, 920, 936, 1035, 1040, 1104, 1170, 1196, 1213, 1380, 1495, 1560, 1656, 1794, 1840, 1872, 2070, 2340, 2392, 2426, 2691, 2760, 2990, 3120, 3312, 3588, 3639, 4140, 4485, 4680, 4784, 4852, 5382, 5520, 5980, 6065, 7176, 7278, 8280, 8970, 9360, 9704, 10764, 10917, 11960, 12130, 13455, 14352, 14556, 15769, 16560, 17940, 18195, 19408, 21528, 21834, 23920, 24260, 26910, 27899, 29112, 31538, 35880, 36390, 43056, 43668, 47307, 48520, 53820, 54585, 55798, 58224, 63076, 71760, 72780, 78845, 83697, 87336, 94614, 97040, 107640, 109170, 111596, 126152, 139495, 141921, 145560, 157690, 167394, 174672, 189228, 215280, 218340, 223192, 236535, 251091, 252304, 278990, 283842, 291120, 315380, 334788, 362687, 378456, 418485, 436680, 446384, 473070, 502182, 557980, 567684, 630760, 669576, 709605, 725374, 756912, 836970, 873360, 946140, 1004364, 1088061, 1115960, 1135368, 1255455, 1261520, 1339152, 1419210, 1450748, 1673940, 1813435, 1892280, 2008728, 2176122, 2231920, 2270736, 2510910, 2838420, 2901496, 3264183, 3347880, 3626870, 3784560, 4017456, 4352244, 5021820, 5440305, 5676840, 5802992, 6528366, 6695760, 7253740, 8704488, 10043640, 10880610, 11353680, 13056732, 14507480, 16320915, 17408976, 20087280, 21761220, 26113464, 29014960, 32641830, 43522440, 52226928, 65283660, 87044880, 130567320, 261134640]

約数ペア:

[(1, 261134640), (2, 130567320), (3, 87044880), (4, 65283660), (5, 52226928), (6, 43522440), (8, 32641830), (9, 29014960), (10, 26113464), (12, 21761220), (13, 20087280), (15, 17408976), (16, 16320915), (18, 14507480), (20, 13056732), (23, 11353680), (24, 10880610), (26, 10043640), (30, 8704488), (36, 7253740), (39, 6695760), (40, 6528366), (45, 5802992), (46, 5676840), (48, 5440305), (52, 5021820), (60, 4352244), (65, 4017456), (69, 3784560), (72, 3626870), (78, 3347880), (80, 3264183), (90, 2901496), (92, 2838420), (104, 2510910), (115, 2270736), (117, 2231920), (120, 2176122), (130, 2008728), (138, 1892280), (144, 1813435), (156, 1673940), (180, 1450748), (184, 1419210), (195, 1339152), (207, 1261520), (208, 1255455), (230, 1135368), (234, 1115960), (240, 1088061), (260, 1004364), (276, 946140), (299, 873360), (312, 836970), (345, 756912), (360, 725374), (368, 709605), (390, 669576), (414, 630760), (460, 567684), (468, 557980), (520, 502182), (552, 473070), (585, 446384), (598, 436680), (624, 418485), (690, 378456), (720, 362687), (780, 334788), (828, 315380), (897, 291120), (920, 283842), (936, 278990), (1035, 252304), (1040, 251091), (1104, 236535), (1170, 223192), (1196, 218340), (1213, 215280), (1380, 189228), (1495, 174672), (1560, 167394), (1656, 157690), (1794, 145560), (1840, 141921), (1872, 139495), (2070, 126152), (2340, 111596), (2392, 109170), (2426, 107640), (2691, 97040), (2760, 94614), (2990, 87336), (3120, 83697), (3312, 78845), (3588, 72780), (3639, 71760), (4140, 63076), (4485, 58224), (4680, 55798), (4784, 54585), (4852, 53820), (5382, 48520), (5520, 47307), (5980, 43668), (6065, 43056), (7176, 36390), (7278, 35880), (8280, 31538), (8970, 29112), (9360, 27899), (9704, 26910), (10764, 24260), (10917, 23920), (11960, 21834), (12130, 21528), (13455, 19408), (14352, 18195), (14556, 17940), (15769, 16560)]