145380080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^3\times {\mathrm{61}}^1$

素因数の和:167

約数の個数: 80

約数和(自身を含む): 355001088

約数和(自身を除く): 209621008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 961, 976, 1220, 1240, 1891, 1922, 2440, 2480, 3782, 3844, 4805, 4880, 7564, 7688, 9455, 9610, 15128, 15376, 18910, 19220, 29791, 30256, 37820, 38440, 58621, 59582, 75640, 76880, 117242, 119164, 148955, 151280, 234484, 238328, 293105, 297910, 468968, 476656, 586210, 595820, 937936, 1172420, 1191640, 1817251, 2344840, 2383280, 3634502, 4689680, 7269004, 9086255, 14538008, 18172510, 29076016, 36345020, 72690040, 145380080]

約数ペア:

[(1, 145380080), (2, 72690040), (4, 36345020), (5, 29076016), (8, 18172510), (10, 14538008), (16, 9086255), (20, 7269004), (31, 4689680), (40, 3634502), (61, 2383280), (62, 2344840), (80, 1817251), (122, 1191640), (124, 1172420), (155, 937936), (244, 595820), (248, 586210), (305, 476656), (310, 468968), (488, 297910), (496, 293105), (610, 238328), (620, 234484), (961, 151280), (976, 148955), (1220, 119164), (1240, 117242), (1891, 76880), (1922, 75640), (2440, 59582), (2480, 58621), (3782, 38440), (3844, 37820), (4805, 30256), (4880, 29791), (7564, 19220), (7688, 18910), (9455, 15376), (9610, 15128)]