645905520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:640

約数の個数: 240

約数和(自身を含む): 2356640832

約数和(自身を除く): 1710735312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 151, 156, 180, 195, 208, 234, 240, 260, 302, 312, 360, 390, 453, 457, 468, 520, 585, 604, 624, 720, 755, 780, 906, 914, 936, 1040, 1170, 1208, 1359, 1371, 1510, 1560, 1812, 1828, 1872, 1963, 2265, 2285, 2340, 2416, 2718, 2742, 3020, 3120, 3624, 3656, 3926, 4113, 4530, 4570, 4680, 5436, 5484, 5889, 5941, 6040, 6795, 6855, 7248, 7312, 7852, 8226, 9060, 9140, 9360, 9815, 10872, 10968, 11778, 11882, 12080, 13590, 13710, 15704, 16452, 17667, 17823, 18120, 18280, 19630, 20565, 21744, 21936, 23556, 23764, 27180, 27420, 29445, 29705, 31408, 32904, 35334, 35646, 36240, 36560, 39260, 41130, 47112, 47528, 53469, 54360, 54840, 58890, 59410, 65808, 69007, 70668, 71292, 78520, 82260, 88335, 89115, 94224, 95056, 106938, 108720, 109680, 117780, 118820, 138014, 141336, 142584, 157040, 164520, 176670, 178230, 207021, 213876, 235560, 237640, 267345, 276028, 282672, 285168, 329040, 345035, 353340, 356460, 414042, 427752, 471120, 475280, 534690, 552056, 621063, 690070, 706680, 712920, 828084, 855504, 897091, 1035105, 1069380, 1104112, 1242126, 1380140, 1413360, 1425840, 1656168, 1794182, 2070210, 2138760, 2484252, 2691273, 2760280, 3105315, 3312336, 3588364, 4140420, 4277520, 4485455, 4968504, 5382546, 5520560, 6210630, 7176728, 8073819, 8280840, 8970910, 9937008, 10765092, 12421260, 13456365, 14353456, 16147638, 16561680, 17941820, 21530184, 24842520, 26912730, 32295276, 35883640, 40369095, 43060368, 49685040, 53825460, 64590552, 71767280, 80738190, 107650920, 129181104, 161476380, 215301840, 322952760, 645905520]

約数ペア:

[(1, 645905520), (2, 322952760), (3, 215301840), (4, 161476380), (5, 129181104), (6, 107650920), (8, 80738190), (9, 71767280), (10, 64590552), (12, 53825460), (13, 49685040), (15, 43060368), (16, 40369095), (18, 35883640), (20, 32295276), (24, 26912730), (26, 24842520), (30, 21530184), (36, 17941820), (39, 16561680), (40, 16147638), (45, 14353456), (48, 13456365), (52, 12421260), (60, 10765092), (65, 9937008), (72, 8970910), (78, 8280840), (80, 8073819), (90, 7176728), (104, 6210630), (117, 5520560), (120, 5382546), (130, 4968504), (144, 4485455), (151, 4277520), (156, 4140420), (180, 3588364), (195, 3312336), (208, 3105315), (234, 2760280), (240, 2691273), (260, 2484252), (302, 2138760), (312, 2070210), (360, 1794182), (390, 1656168), (453, 1425840), (457, 1413360), (468, 1380140), (520, 1242126), (585, 1104112), (604, 1069380), (624, 1035105), (720, 897091), (755, 855504), (780, 828084), (906, 712920), (914, 706680), (936, 690070), (1040, 621063), (1170, 552056), (1208, 534690), (1359, 475280), (1371, 471120), (1510, 427752), (1560, 414042), (1812, 356460), (1828, 353340), (1872, 345035), (1963, 329040), (2265, 285168), (2285, 282672), (2340, 276028), (2416, 267345), (2718, 237640), (2742, 235560), (3020, 213876), (3120, 207021), (3624, 178230), (3656, 176670), (3926, 164520), (4113, 157040), (4530, 142584), (4570, 141336), (4680, 138014), (5436, 118820), (5484, 117780), (5889, 109680), (5941, 108720), (6040, 106938), (6795, 95056), (6855, 94224), (7248, 89115), (7312, 88335), (7852, 82260), (8226, 78520), (9060, 71292), (9140, 70668), (9360, 69007), (9815, 65808), (10872, 59410), (10968, 58890), (11778, 54840), (11882, 54360), (12080, 53469), (13590, 47528), (13710, 47112), (15704, 41130), (16452, 39260), (17667, 36560), (17823, 36240), (18120, 35646), (18280, 35334), (19630, 32904), (20565, 31408), (21744, 29705), (21936, 29445), (23556, 27420), (23764, 27180)]