155455320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 488125440

約数和(自身を除く): 332670120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 47, 60, 86, 94, 120, 129, 141, 172, 188, 215, 235, 258, 282, 344, 376, 430, 470, 516, 564, 641, 645, 705, 860, 940, 1032, 1128, 1282, 1290, 1410, 1720, 1880, 1923, 2021, 2564, 2580, 2820, 3205, 3846, 4042, 5128, 5160, 5640, 6063, 6410, 7692, 8084, 9615, 10105, 12126, 12820, 15384, 16168, 19230, 20210, 24252, 25640, 27563, 30127, 30315, 38460, 40420, 48504, 55126, 60254, 60630, 76920, 80840, 82689, 90381, 110252, 120508, 121260, 137815, 150635, 165378, 180762, 220504, 241016, 242520, 275630, 301270, 330756, 361524, 413445, 451905, 551260, 602540, 661512, 723048, 826890, 903810, 1102520, 1205080, 1295461, 1653780, 1807620, 2590922, 3307560, 3615240, 3886383, 5181844, 6477305, 7772766, 10363688, 12954610, 15545532, 19431915, 25909220, 31091064, 38863830, 51818440, 77727660, 155455320]

約数ペア:

[(1, 155455320), (2, 77727660), (3, 51818440), (4, 38863830), (5, 31091064), (6, 25909220), (8, 19431915), (10, 15545532), (12, 12954610), (15, 10363688), (20, 7772766), (24, 6477305), (30, 5181844), (40, 3886383), (43, 3615240), (47, 3307560), (60, 2590922), (86, 1807620), (94, 1653780), (120, 1295461), (129, 1205080), (141, 1102520), (172, 903810), (188, 826890), (215, 723048), (235, 661512), (258, 602540), (282, 551260), (344, 451905), (376, 413445), (430, 361524), (470, 330756), (516, 301270), (564, 275630), (641, 242520), (645, 241016), (705, 220504), (860, 180762), (940, 165378), (1032, 150635), (1128, 137815), (1282, 121260), (1290, 120508), (1410, 110252), (1720, 90381), (1880, 82689), (1923, 80840), (2021, 76920), (2564, 60630), (2580, 60254), (2820, 55126), (3205, 48504), (3846, 40420), (4042, 38460), (5128, 30315), (5160, 30127), (5640, 27563), (6063, 25640), (6410, 24252), (7692, 20210), (8084, 19230), (9615, 16168), (10105, 15384), (12126, 12820)]