1961503920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87881}}^1$

素因数の和:87931

約数の個数: 120

約数和(自身を含む): 6799957632

約数和(自身を除く): 4838453712

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, 87881, 175762, 263643, 351524, 439405, 527286, 703048, 790929, 878810, 1054572, 1318215, 1406096, 1581858, 1757620, 2109144, 2636430, 2724311, 3163716, 3515240, 3954645, 4218288, 5272860, 5448622, 6327432, 7030480, 7909290, 8172933, 10545720, 10897244, 12654864, 13621555, 15818580, 16345866, 21091440, 21794488, 24518799, 27243110, 31637160, 32691732, 40864665, 43588976, 49037598, 54486220, 63274320, 65383464, 81729330, 98075196, 108972440, 122593995, 130766928, 163458660, 196150392, 217944880, 245187990, 326917320, 392300784, 490375980, 653834640, 980751960, 1961503920]

約数ペア:

[(1, 1961503920), (2, 980751960), (3, 653834640), (4, 490375980), (5, 392300784), (6, 326917320), (8, 245187990), (9, 217944880), (10, 196150392), (12, 163458660), (15, 130766928), (16, 122593995), (18, 108972440), (20, 98075196), (24, 81729330), (30, 65383464), (31, 63274320), (36, 54486220), (40, 49037598), (45, 43588976), (48, 40864665), (60, 32691732), (62, 31637160), (72, 27243110), (80, 24518799), (90, 21794488), (93, 21091440), (120, 16345866), (124, 15818580), (144, 13621555), (155, 12654864), (180, 10897244), (186, 10545720), (240, 8172933), (248, 7909290), (279, 7030480), (310, 6327432), (360, 5448622), (372, 5272860), (465, 4218288), (496, 3954645), (558, 3515240), (620, 3163716), (720, 2724311), (744, 2636430), (930, 2109144), (1116, 1757620), (1240, 1581858), (1395, 1406096), (1488, 1318215), (1860, 1054572), (2232, 878810), (2480, 790929), (2790, 703048), (3720, 527286), (4464, 439405), (5580, 351524), (7440, 263643), (11160, 175762), (22320, 87881)]