291913120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 751978080

約数和(自身を除く): 460064960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 59, 68, 80, 85, 107, 118, 136, 160, 170, 214, 236, 272, 289, 295, 340, 428, 472, 535, 544, 578, 590, 680, 856, 944, 1003, 1070, 1156, 1180, 1360, 1445, 1712, 1819, 1888, 2006, 2140, 2312, 2360, 2720, 2890, 3424, 3638, 4012, 4280, 4624, 4720, 5015, 5780, 6313, 7276, 8024, 8560, 9095, 9248, 9440, 10030, 11560, 12626, 14552, 16048, 17051, 17120, 18190, 20060, 23120, 25252, 29104, 30923, 31565, 32096, 34102, 36380, 40120, 46240, 50504, 58208, 61846, 63130, 68204, 72760, 80240, 85255, 101008, 107321, 123692, 126260, 136408, 145520, 154615, 160480, 170510, 202016, 214642, 247384, 252520, 272816, 291040, 309230, 341020, 429284, 494768, 505040, 536605, 545632, 618460, 682040, 858568, 989536, 1010080, 1073210, 1236920, 1364080, 1717136, 1824457, 2146420, 2473840, 2728160, 3434272, 3648914, 4292840, 4947680, 7297828, 8585680, 9122285, 14595656, 17171360, 18244570, 29191312, 36489140, 58382624, 72978280, 145956560, 291913120]

約数ペア:

[(1, 291913120), (2, 145956560), (4, 72978280), (5, 58382624), (8, 36489140), (10, 29191312), (16, 18244570), (17, 17171360), (20, 14595656), (32, 9122285), (34, 8585680), (40, 7297828), (59, 4947680), (68, 4292840), (80, 3648914), (85, 3434272), (107, 2728160), (118, 2473840), (136, 2146420), (160, 1824457), (170, 1717136), (214, 1364080), (236, 1236920), (272, 1073210), (289, 1010080), (295, 989536), (340, 858568), (428, 682040), (472, 618460), (535, 545632), (544, 536605), (578, 505040), (590, 494768), (680, 429284), (856, 341020), (944, 309230), (1003, 291040), (1070, 272816), (1156, 252520), (1180, 247384), (1360, 214642), (1445, 202016), (1712, 170510), (1819, 160480), (1888, 154615), (2006, 145520), (2140, 136408), (2312, 126260), (2360, 123692), (2720, 107321), (2890, 101008), (3424, 85255), (3638, 80240), (4012, 72760), (4280, 68204), (4624, 63130), (4720, 61846), (5015, 58208), (5780, 50504), (6313, 46240), (7276, 40120), (8024, 36380), (8560, 34102), (9095, 32096), (9248, 31565), (9440, 30923), (10030, 29104), (11560, 25252), (12626, 23120), (14552, 20060), (16048, 18190), (17051, 17120)]