628301440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 192

約数和(自身を含む): 1681059960

約数和(自身を除く): 1052758520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 157, 160, 169, 185, 208, 260, 296, 314, 320, 338, 370, 416, 481, 520, 592, 628, 640, 676, 740, 785, 832, 845, 962, 1040, 1184, 1256, 1352, 1480, 1570, 1664, 1690, 1924, 2041, 2080, 2368, 2405, 2512, 2704, 2960, 3140, 3380, 3848, 4082, 4160, 4736, 4810, 5024, 5408, 5809, 5920, 6253, 6280, 6760, 7696, 8164, 8320, 9620, 10048, 10205, 10816, 11618, 11840, 12506, 12560, 13520, 15392, 16328, 19240, 20096, 20410, 21632, 23236, 23680, 25012, 25120, 26533, 27040, 29045, 30784, 31265, 32656, 38480, 40820, 46472, 50024, 50240, 53066, 54080, 58090, 61568, 62530, 65312, 75517, 76960, 81640, 92944, 100048, 100480, 106132, 108160, 116180, 125060, 130624, 132665, 151034, 153920, 163280, 185888, 200096, 212264, 232360, 250120, 261248, 265330, 302068, 307840, 326560, 371776, 377585, 400192, 424528, 464720, 500240, 530660, 604136, 653120, 743552, 755170, 800384, 849056, 929440, 981721, 1000480, 1061320, 1208272, 1306240, 1510340, 1698112, 1858880, 1963442, 2000960, 2122640, 2416544, 3020680, 3396224, 3717760, 3926884, 4001920, 4245280, 4833088, 4908605, 6041360, 7853768, 8490560, 9666176, 9817210, 12082720, 15707536, 16981120, 19634420, 24165440, 31415072, 39268840, 48330880, 62830144, 78537680, 125660288, 157075360, 314150720, 628301440]

約数ペア:

[(1, 628301440), (2, 314150720), (4, 157075360), (5, 125660288), (8, 78537680), (10, 62830144), (13, 48330880), (16, 39268840), (20, 31415072), (26, 24165440), (32, 19634420), (37, 16981120), (40, 15707536), (52, 12082720), (64, 9817210), (65, 9666176), (74, 8490560), (80, 7853768), (104, 6041360), (128, 4908605), (130, 4833088), (148, 4245280), (157, 4001920), (160, 3926884), (169, 3717760), (185, 3396224), (208, 3020680), (260, 2416544), (296, 2122640), (314, 2000960), (320, 1963442), (338, 1858880), (370, 1698112), (416, 1510340), (481, 1306240), (520, 1208272), (592, 1061320), (628, 1000480), (640, 981721), (676, 929440), (740, 849056), (785, 800384), (832, 755170), (845, 743552), (962, 653120), (1040, 604136), (1184, 530660), (1256, 500240), (1352, 464720), (1480, 424528), (1570, 400192), (1664, 377585), (1690, 371776), (1924, 326560), (2041, 307840), (2080, 302068), (2368, 265330), (2405, 261248), (2512, 250120), (2704, 232360), (2960, 212264), (3140, 200096), (3380, 185888), (3848, 163280), (4082, 153920), (4160, 151034), (4736, 132665), (4810, 130624), (5024, 125060), (5408, 116180), (5809, 108160), (5920, 106132), (6253, 100480), (6280, 100048), (6760, 92944), (7696, 81640), (8164, 76960), (8320, 75517), (9620, 65312), (10048, 62530), (10205, 61568), (10816, 58090), (11618, 54080), (11840, 53066), (12506, 50240), (12560, 50024), (13520, 46472), (15392, 40820), (16328, 38480), (19240, 32656), (20096, 31265), (20410, 30784), (21632, 29045), (23236, 27040), (23680, 26533), (25012, 25120)]