89209960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 240768000

約数和(自身を除く): 151558040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 79, 109, 140, 148, 158, 185, 218, 259, 280, 296, 316, 370, 395, 436, 518, 545, 553, 632, 740, 763, 790, 872, 1036, 1090, 1106, 1295, 1480, 1526, 1580, 2072, 2180, 2212, 2590, 2765, 2923, 3052, 3160, 3815, 4033, 4360, 4424, 5180, 5530, 5846, 6104, 7630, 8066, 8611, 10360, 11060, 11692, 14615, 15260, 16132, 17222, 20165, 20461, 22120, 23384, 28231, 29230, 30520, 32264, 34444, 40330, 40922, 43055, 56462, 58460, 60277, 68888, 80660, 81844, 86110, 102305, 112924, 116920, 120554, 141155, 161320, 163688, 172220, 204610, 225848, 241108, 282310, 301385, 318607, 344440, 409220, 482216, 564620, 602770, 637214, 818440, 1129240, 1205540, 1274428, 1593035, 2230249, 2411080, 2548856, 3186070, 4460498, 6372140, 8920996, 11151245, 12744280, 17841992, 22302490, 44604980, 89209960]

約数ペア:

[(1, 89209960), (2, 44604980), (4, 22302490), (5, 17841992), (7, 12744280), (8, 11151245), (10, 8920996), (14, 6372140), (20, 4460498), (28, 3186070), (35, 2548856), (37, 2411080), (40, 2230249), (56, 1593035), (70, 1274428), (74, 1205540), (79, 1129240), (109, 818440), (140, 637214), (148, 602770), (158, 564620), (185, 482216), (218, 409220), (259, 344440), (280, 318607), (296, 301385), (316, 282310), (370, 241108), (395, 225848), (436, 204610), (518, 172220), (545, 163688), (553, 161320), (632, 141155), (740, 120554), (763, 116920), (790, 112924), (872, 102305), (1036, 86110), (1090, 81844), (1106, 80660), (1295, 68888), (1480, 60277), (1526, 58460), (1580, 56462), (2072, 43055), (2180, 40922), (2212, 40330), (2590, 34444), (2765, 32264), (2923, 30520), (3052, 29230), (3160, 28231), (3815, 23384), (4033, 22120), (4360, 20461), (4424, 20165), (5180, 17222), (5530, 16132), (5846, 15260), (6104, 14615), (7630, 11692), (8066, 11060), (8611, 10360)]