668468320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 192

約数和(自身を含む): 1806053760

約数和(自身を除く): 1137585440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 89, 92, 104, 115, 130, 157, 160, 178, 184, 208, 230, 260, 299, 314, 356, 368, 416, 445, 460, 520, 598, 628, 712, 736, 785, 890, 920, 1040, 1157, 1196, 1256, 1424, 1495, 1570, 1780, 1840, 2041, 2047, 2080, 2314, 2392, 2512, 2848, 2990, 3140, 3560, 3611, 3680, 4082, 4094, 4628, 4784, 5024, 5785, 5980, 6280, 7120, 7222, 8164, 8188, 9256, 9568, 10205, 10235, 11570, 11960, 12560, 13973, 14240, 14444, 16328, 16376, 18055, 18512, 20410, 20470, 23140, 23920, 25120, 26611, 27946, 28888, 32656, 32752, 36110, 37024, 40820, 40940, 46280, 46943, 47840, 53222, 55892, 57776, 65312, 65504, 69865, 72220, 81640, 81880, 92560, 93886, 106444, 111784, 115552, 133055, 139730, 144440, 163280, 163760, 181649, 185120, 187772, 212888, 223568, 234715, 266110, 279460, 288880, 321379, 326560, 327520, 363298, 375544, 425776, 447136, 469430, 532220, 558920, 577760, 642758, 726596, 751088, 851552, 908245, 938860, 1064440, 1117840, 1285516, 1453192, 1502176, 1606895, 1816490, 1877720, 2128880, 2235680, 2571032, 2906384, 3213790, 3632980, 3755440, 4177927, 4257760, 5142064, 5812768, 6427580, 7265960, 7510880, 8355854, 10284128, 12855160, 14531920, 16711708, 20889635, 25710320, 29063840, 33423416, 41779270, 51420640, 66846832, 83558540, 133693664, 167117080, 334234160, 668468320]

約数ペア:

[(1, 668468320), (2, 334234160), (4, 167117080), (5, 133693664), (8, 83558540), (10, 66846832), (13, 51420640), (16, 41779270), (20, 33423416), (23, 29063840), (26, 25710320), (32, 20889635), (40, 16711708), (46, 14531920), (52, 12855160), (65, 10284128), (80, 8355854), (89, 7510880), (92, 7265960), (104, 6427580), (115, 5812768), (130, 5142064), (157, 4257760), (160, 4177927), (178, 3755440), (184, 3632980), (208, 3213790), (230, 2906384), (260, 2571032), (299, 2235680), (314, 2128880), (356, 1877720), (368, 1816490), (416, 1606895), (445, 1502176), (460, 1453192), (520, 1285516), (598, 1117840), (628, 1064440), (712, 938860), (736, 908245), (785, 851552), (890, 751088), (920, 726596), (1040, 642758), (1157, 577760), (1196, 558920), (1256, 532220), (1424, 469430), (1495, 447136), (1570, 425776), (1780, 375544), (1840, 363298), (2041, 327520), (2047, 326560), (2080, 321379), (2314, 288880), (2392, 279460), (2512, 266110), (2848, 234715), (2990, 223568), (3140, 212888), (3560, 187772), (3611, 185120), (3680, 181649), (4082, 163760), (4094, 163280), (4628, 144440), (4784, 139730), (5024, 133055), (5785, 115552), (5980, 111784), (6280, 106444), (7120, 93886), (7222, 92560), (8164, 81880), (8188, 81640), (9256, 72220), (9568, 69865), (10205, 65504), (10235, 65312), (11570, 57776), (11960, 55892), (12560, 53222), (13973, 47840), (14240, 46943), (14444, 46280), (16328, 40940), (16376, 40820), (18055, 37024), (18512, 36110), (20410, 32752), (20470, 32656), (23140, 28888), (23920, 27946), (25120, 26611)]