391548240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{787}}^1$

素因数の和:1497

約数の個数: 120

約数和(自身を含む): 1318525728

約数和(自身を除く): 926977488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 691, 720, 787, 1382, 1574, 2073, 2361, 2764, 3148, 3455, 3935, 4146, 4722, 5528, 6219, 6296, 6910, 7083, 7870, 8292, 9444, 10365, 11056, 11805, 12438, 12592, 13820, 14166, 15740, 16584, 18888, 20730, 23610, 24876, 27640, 28332, 31095, 31480, 33168, 35415, 37776, 41460, 47220, 49752, 55280, 56664, 62190, 62960, 70830, 82920, 94440, 99504, 113328, 124380, 141660, 165840, 188880, 248760, 283320, 497520, 543817, 566640, 1087634, 1631451, 2175268, 2719085, 3262902, 4350536, 4894353, 5438170, 6525804, 8157255, 8701072, 9788706, 10876340, 13051608, 16314510, 19577412, 21752680, 24471765, 26103216, 32629020, 39154824, 43505360, 48943530, 65258040, 78309648, 97887060, 130516080, 195774120, 391548240]

約数ペア:

[(1, 391548240), (2, 195774120), (3, 130516080), (4, 97887060), (5, 78309648), (6, 65258040), (8, 48943530), (9, 43505360), (10, 39154824), (12, 32629020), (15, 26103216), (16, 24471765), (18, 21752680), (20, 19577412), (24, 16314510), (30, 13051608), (36, 10876340), (40, 9788706), (45, 8701072), (48, 8157255), (60, 6525804), (72, 5438170), (80, 4894353), (90, 4350536), (120, 3262902), (144, 2719085), (180, 2175268), (240, 1631451), (360, 1087634), (691, 566640), (720, 543817), (787, 497520), (1382, 283320), (1574, 248760), (2073, 188880), (2361, 165840), (2764, 141660), (3148, 124380), (3455, 113328), (3935, 99504), (4146, 94440), (4722, 82920), (5528, 70830), (6219, 62960), (6296, 62190), (6910, 56664), (7083, 55280), (7870, 49752), (8292, 47220), (9444, 41460), (10365, 37776), (11056, 35415), (11805, 33168), (12438, 31480), (12592, 31095), (13820, 28332), (14166, 27640), (15740, 24876), (16584, 23610), (18888, 20730)]