83208880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 212419440

約数和(自身を除く): 129210560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 61, 68, 80, 85, 118, 122, 136, 170, 236, 244, 272, 289, 295, 305, 340, 472, 488, 578, 590, 610, 680, 944, 976, 1003, 1037, 1156, 1180, 1220, 1360, 1445, 2006, 2074, 2312, 2360, 2440, 2890, 3599, 4012, 4148, 4624, 4720, 4880, 5015, 5185, 5780, 7198, 8024, 8296, 10030, 10370, 11560, 14396, 16048, 16592, 17051, 17629, 17995, 20060, 20740, 23120, 28792, 34102, 35258, 35990, 40120, 41480, 57584, 61183, 68204, 70516, 71980, 80240, 82960, 85255, 88145, 122366, 136408, 141032, 143960, 170510, 176290, 244732, 272816, 282064, 287920, 305915, 341020, 352580, 489464, 611830, 682040, 705160, 978928, 1040111, 1223660, 1364080, 1410320, 2080222, 2447320, 4160444, 4894640, 5200555, 8320888, 10401110, 16641776, 20802220, 41604440, 83208880]

約数ペア:

[(1, 83208880), (2, 41604440), (4, 20802220), (5, 16641776), (8, 10401110), (10, 8320888), (16, 5200555), (17, 4894640), (20, 4160444), (34, 2447320), (40, 2080222), (59, 1410320), (61, 1364080), (68, 1223660), (80, 1040111), (85, 978928), (118, 705160), (122, 682040), (136, 611830), (170, 489464), (236, 352580), (244, 341020), (272, 305915), (289, 287920), (295, 282064), (305, 272816), (340, 244732), (472, 176290), (488, 170510), (578, 143960), (590, 141032), (610, 136408), (680, 122366), (944, 88145), (976, 85255), (1003, 82960), (1037, 80240), (1156, 71980), (1180, 70516), (1220, 68204), (1360, 61183), (1445, 57584), (2006, 41480), (2074, 40120), (2312, 35990), (2360, 35258), (2440, 34102), (2890, 28792), (3599, 23120), (4012, 20740), (4148, 20060), (4624, 17995), (4720, 17629), (4880, 17051), (5015, 16592), (5185, 16048), (5780, 14396), (7198, 11560), (8024, 10370), (8296, 10030)]