122480020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 287884800

約数和(自身を除く): 165404780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 79, 89, 130, 134, 158, 178, 260, 268, 316, 335, 356, 395, 445, 670, 790, 871, 890, 1027, 1157, 1340, 1580, 1742, 1780, 2054, 2314, 3484, 4108, 4355, 4628, 5135, 5293, 5785, 5963, 7031, 8710, 10270, 10586, 11570, 11926, 14062, 17420, 20540, 21172, 23140, 23852, 26465, 28124, 29815, 35155, 52930, 59630, 68809, 70310, 77519, 91403, 105860, 119260, 137618, 140620, 155038, 182806, 275236, 310076, 344045, 365612, 387595, 457015, 471077, 688090, 775190, 914030, 942154, 1376180, 1550380, 1828060, 1884308, 2355385, 4710770, 6124001, 9421540, 12248002, 24496004, 30620005, 61240010, 122480020]

約数ペア:

[(1, 122480020), (2, 61240010), (4, 30620005), (5, 24496004), (10, 12248002), (13, 9421540), (20, 6124001), (26, 4710770), (52, 2355385), (65, 1884308), (67, 1828060), (79, 1550380), (89, 1376180), (130, 942154), (134, 914030), (158, 775190), (178, 688090), (260, 471077), (268, 457015), (316, 387595), (335, 365612), (356, 344045), (395, 310076), (445, 275236), (670, 182806), (790, 155038), (871, 140620), (890, 137618), (1027, 119260), (1157, 105860), (1340, 91403), (1580, 77519), (1742, 70310), (1780, 68809), (2054, 59630), (2314, 52930), (3484, 35155), (4108, 29815), (4355, 28124), (4628, 26465), (5135, 23852), (5293, 23140), (5785, 21172), (5963, 20540), (7031, 17420), (8710, 14062), (10270, 11926), (10586, 11570)]