321559680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{991}}^1$

素因数の和:1039

約数の個数: 192

約数和(自身を含む): 1111000320

約数和(自身を除く): 789440640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 208, 240, 260, 312, 320, 338, 384, 390, 416, 480, 507, 520, 624, 640, 676, 780, 832, 845, 960, 991, 1014, 1040, 1248, 1352, 1560, 1664, 1690, 1920, 1982, 2028, 2080, 2496, 2535, 2704, 2973, 3120, 3380, 3964, 4056, 4160, 4955, 4992, 5070, 5408, 5946, 6240, 6760, 7928, 8112, 8320, 9910, 10140, 10816, 11892, 12480, 12883, 13520, 14865, 15856, 16224, 19820, 20280, 21632, 23784, 24960, 25766, 27040, 29730, 31712, 32448, 38649, 39640, 40560, 47568, 51532, 54080, 59460, 63424, 64415, 64896, 77298, 79280, 81120, 95136, 103064, 108160, 118920, 126848, 128830, 154596, 158560, 162240, 167479, 190272, 193245, 206128, 237840, 257660, 309192, 317120, 324480, 334958, 380544, 386490, 412256, 475680, 502437, 515320, 618384, 634240, 669916, 772980, 824512, 837395, 951360, 1004874, 1030640, 1236768, 1339832, 1545960, 1649024, 1674790, 1902720, 2009748, 2061280, 2473536, 2512185, 2679664, 3091920, 3349580, 4019496, 4122560, 4947072, 5024370, 5359328, 6183840, 6699160, 8038992, 8245120, 10048740, 10718656, 12367680, 13398320, 16077984, 20097480, 21437312, 24735360, 26796640, 32155968, 40194960, 53593280, 64311936, 80389920, 107186560, 160779840, 321559680]

約数ペア:

[(1, 321559680), (2, 160779840), (3, 107186560), (4, 80389920), (5, 64311936), (6, 53593280), (8, 40194960), (10, 32155968), (12, 26796640), (13, 24735360), (15, 21437312), (16, 20097480), (20, 16077984), (24, 13398320), (26, 12367680), (30, 10718656), (32, 10048740), (39, 8245120), (40, 8038992), (48, 6699160), (52, 6183840), (60, 5359328), (64, 5024370), (65, 4947072), (78, 4122560), (80, 4019496), (96, 3349580), (104, 3091920), (120, 2679664), (128, 2512185), (130, 2473536), (156, 2061280), (160, 2009748), (169, 1902720), (192, 1674790), (195, 1649024), (208, 1545960), (240, 1339832), (260, 1236768), (312, 1030640), (320, 1004874), (338, 951360), (384, 837395), (390, 824512), (416, 772980), (480, 669916), (507, 634240), (520, 618384), (624, 515320), (640, 502437), (676, 475680), (780, 412256), (832, 386490), (845, 380544), (960, 334958), (991, 324480), (1014, 317120), (1040, 309192), (1248, 257660), (1352, 237840), (1560, 206128), (1664, 193245), (1690, 190272), (1920, 167479), (1982, 162240), (2028, 158560), (2080, 154596), (2496, 128830), (2535, 126848), (2704, 118920), (2973, 108160), (3120, 103064), (3380, 95136), (3964, 81120), (4056, 79280), (4160, 77298), (4955, 64896), (4992, 64415), (5070, 63424), (5408, 59460), (5946, 54080), (6240, 51532), (6760, 47568), (7928, 40560), (8112, 39640), (8320, 38649), (9910, 32448), (10140, 31712), (10816, 29730), (11892, 27040), (12480, 25766), (12883, 24960), (13520, 23784), (14865, 21632), (15856, 20280), (16224, 19820)]