636676880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 160

約数和(自身を含む): 1748459520

約数和(自身を除く): 1111782640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 71, 80, 112, 134, 140, 142, 239, 268, 280, 284, 335, 355, 469, 478, 497, 536, 560, 568, 670, 710, 938, 956, 994, 1072, 1136, 1195, 1340, 1420, 1673, 1876, 1912, 1988, 2345, 2390, 2485, 2680, 2840, 3346, 3752, 3824, 3976, 4690, 4757, 4780, 4970, 5360, 5680, 6692, 7504, 7952, 8365, 9380, 9514, 9560, 9940, 13384, 16013, 16730, 16969, 18760, 19028, 19120, 19880, 23785, 26768, 32026, 33299, 33460, 33938, 37520, 38056, 39760, 47570, 64052, 66598, 66920, 67876, 76112, 80065, 84845, 95140, 112091, 118783, 128104, 133196, 133840, 135752, 160130, 166495, 169690, 190280, 224182, 237566, 256208, 266392, 271504, 320260, 332990, 339380, 380560, 448364, 475132, 532784, 560455, 593915, 640520, 665980, 678760, 896728, 950264, 1120910, 1136923, 1187830, 1281040, 1331960, 1357520, 1793456, 1900528, 2241820, 2273846, 2375660, 2663920, 4483640, 4547692, 4751320, 5684615, 7958461, 8967280, 9095384, 9502640, 11369230, 15916922, 18190768, 22738460, 31833844, 39792305, 45476920, 63667688, 79584610, 90953840, 127335376, 159169220, 318338440, 636676880]

約数ペア:

[(1, 636676880), (2, 318338440), (4, 159169220), (5, 127335376), (7, 90953840), (8, 79584610), (10, 63667688), (14, 45476920), (16, 39792305), (20, 31833844), (28, 22738460), (35, 18190768), (40, 15916922), (56, 11369230), (67, 9502640), (70, 9095384), (71, 8967280), (80, 7958461), (112, 5684615), (134, 4751320), (140, 4547692), (142, 4483640), (239, 2663920), (268, 2375660), (280, 2273846), (284, 2241820), (335, 1900528), (355, 1793456), (469, 1357520), (478, 1331960), (497, 1281040), (536, 1187830), (560, 1136923), (568, 1120910), (670, 950264), (710, 896728), (938, 678760), (956, 665980), (994, 640520), (1072, 593915), (1136, 560455), (1195, 532784), (1340, 475132), (1420, 448364), (1673, 380560), (1876, 339380), (1912, 332990), (1988, 320260), (2345, 271504), (2390, 266392), (2485, 256208), (2680, 237566), (2840, 224182), (3346, 190280), (3752, 169690), (3824, 166495), (3976, 160130), (4690, 135752), (4757, 133840), (4780, 133196), (4970, 128104), (5360, 118783), (5680, 112091), (6692, 95140), (7504, 84845), (7952, 80065), (8365, 76112), (9380, 67876), (9514, 66920), (9560, 66598), (9940, 64052), (13384, 47570), (16013, 39760), (16730, 38056), (16969, 37520), (18760, 33938), (19028, 33460), (19120, 33299), (19880, 32026), (23785, 26768)]