2688019920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{120431}}^1$

素因数の和:120481

約数の個数: 120

約数和(自身を含む): 9318546432

約数和(自身を除く): 6630526512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 120431, 240862, 361293, 481724, 602155, 722586, 963448, 1083879, 1204310, 1445172, 1806465, 1926896, 2167758, 2408620, 2890344, 3612930, 3733361, 4335516, 4817240, 5419395, 5780688, 7225860, 7466722, 8671032, 9634480, 10838790, 11200083, 14451720, 14933444, 17342064, 18666805, 21677580, 22400166, 28903440, 29866888, 33600249, 37333610, 43355160, 44800332, 56000415, 59733776, 67200498, 74667220, 86710320, 89600664, 112000830, 134400996, 149334440, 168001245, 179201328, 224001660, 268801992, 298668880, 336002490, 448003320, 537603984, 672004980, 896006640, 1344009960, 2688019920]

約数ペア:

[(1, 2688019920), (2, 1344009960), (3, 896006640), (4, 672004980), (5, 537603984), (6, 448003320), (8, 336002490), (9, 298668880), (10, 268801992), (12, 224001660), (15, 179201328), (16, 168001245), (18, 149334440), (20, 134400996), (24, 112000830), (30, 89600664), (31, 86710320), (36, 74667220), (40, 67200498), (45, 59733776), (48, 56000415), (60, 44800332), (62, 43355160), (72, 37333610), (80, 33600249), (90, 29866888), (93, 28903440), (120, 22400166), (124, 21677580), (144, 18666805), (155, 17342064), (180, 14933444), (186, 14451720), (240, 11200083), (248, 10838790), (279, 9634480), (310, 8671032), (360, 7466722), (372, 7225860), (465, 5780688), (496, 5419395), (558, 4817240), (620, 4335516), (720, 3733361), (744, 3612930), (930, 2890344), (1116, 2408620), (1240, 2167758), (1395, 1926896), (1488, 1806465), (1860, 1445172), (2232, 1204310), (2480, 1083879), (2790, 963448), (3720, 722586), (4464, 602155), (5580, 481724), (7440, 361293), (11160, 240862), (22320, 120431)]