220121920

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:296

約数の個数: 112

約数和(自身を含む): 543153600

約数和(自身を除く): 323031680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 89, 118, 131, 160, 178, 236, 262, 295, 320, 356, 445, 472, 524, 590, 655, 712, 890, 944, 1048, 1180, 1310, 1424, 1780, 1888, 2096, 2360, 2620, 2848, 3560, 3776, 4192, 4720, 5240, 5251, 5696, 7120, 7729, 8384, 9440, 10480, 10502, 11659, 14240, 15458, 18880, 20960, 21004, 23318, 26255, 28480, 30916, 38645, 41920, 42008, 46636, 52510, 58295, 61832, 77290, 84016, 93272, 105020, 116590, 123664, 154580, 168032, 186544, 210040, 233180, 247328, 309160, 336064, 373088, 420080, 466360, 494656, 618320, 687881, 746176, 840160, 932720, 1236640, 1375762, 1680320, 1865440, 2473280, 2751524, 3439405, 3730880, 5503048, 6878810, 11006096, 13757620, 22012192, 27515240, 44024384, 55030480, 110060960, 220121920]

約数ペア:

[(1, 220121920), (2, 110060960), (4, 55030480), (5, 44024384), (8, 27515240), (10, 22012192), (16, 13757620), (20, 11006096), (32, 6878810), (40, 5503048), (59, 3730880), (64, 3439405), (80, 2751524), (89, 2473280), (118, 1865440), (131, 1680320), (160, 1375762), (178, 1236640), (236, 932720), (262, 840160), (295, 746176), (320, 687881), (356, 618320), (445, 494656), (472, 466360), (524, 420080), (590, 373088), (655, 336064), (712, 309160), (890, 247328), (944, 233180), (1048, 210040), (1180, 186544), (1310, 168032), (1424, 154580), (1780, 123664), (1888, 116590), (2096, 105020), (2360, 93272), (2620, 84016), (2848, 77290), (3560, 61832), (3776, 58295), (4192, 52510), (4720, 46636), (5240, 42008), (5251, 41920), (5696, 38645), (7120, 30916), (7729, 28480), (8384, 26255), (9440, 23318), (10480, 21004), (10502, 20960), (11659, 18880), (14240, 15458)]