89879880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:611

約数の個数: 128

約数和(自身を含む): 288000000

約数和(自身を除く): 198120120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 79, 95, 114, 120, 152, 158, 190, 228, 237, 285, 316, 380, 395, 456, 474, 499, 570, 632, 760, 790, 948, 998, 1140, 1185, 1497, 1501, 1580, 1896, 1996, 2280, 2370, 2495, 2994, 3002, 3160, 3992, 4503, 4740, 4990, 5988, 6004, 7485, 7505, 9006, 9480, 9481, 9980, 11976, 12008, 14970, 15010, 18012, 18962, 19960, 22515, 28443, 29940, 30020, 36024, 37924, 39421, 45030, 47405, 56886, 59880, 60040, 75848, 78842, 90060, 94810, 113772, 118263, 142215, 157684, 180120, 189620, 197105, 227544, 236526, 284430, 315368, 379240, 394210, 473052, 568860, 591315, 748999, 788420, 946104, 1137720, 1182630, 1497998, 1576840, 2246997, 2365260, 2995996, 3744995, 4493994, 4730520, 5991992, 7489990, 8987988, 11234985, 14979980, 17975976, 22469970, 29959960, 44939940, 89879880]

約数ペア:

[(1, 89879880), (2, 44939940), (3, 29959960), (4, 22469970), (5, 17975976), (6, 14979980), (8, 11234985), (10, 8987988), (12, 7489990), (15, 5991992), (19, 4730520), (20, 4493994), (24, 3744995), (30, 2995996), (38, 2365260), (40, 2246997), (57, 1576840), (60, 1497998), (76, 1182630), (79, 1137720), (95, 946104), (114, 788420), (120, 748999), (152, 591315), (158, 568860), (190, 473052), (228, 394210), (237, 379240), (285, 315368), (316, 284430), (380, 236526), (395, 227544), (456, 197105), (474, 189620), (499, 180120), (570, 157684), (632, 142215), (760, 118263), (790, 113772), (948, 94810), (998, 90060), (1140, 78842), (1185, 75848), (1497, 60040), (1501, 59880), (1580, 56886), (1896, 47405), (1996, 45030), (2280, 39421), (2370, 37924), (2495, 36024), (2994, 30020), (3002, 29940), (3160, 28443), (3992, 22515), (4503, 19960), (4740, 18962), (4990, 18012), (5988, 15010), (6004, 14970), (7485, 12008), (7505, 11976), (9006, 9980), (9480, 9481)]