121534640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2161}}^1$

素因数の和:2230

約数の個数: 80

約数和(自身を含む): 305620320

約数和(自身を除く): 184085680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1520, 2161, 2812, 2960, 3515, 4322, 5624, 7030, 8644, 10805, 11248, 14060, 17288, 21610, 28120, 34576, 41059, 43220, 56240, 79957, 82118, 86440, 159914, 164236, 172880, 205295, 319828, 328472, 399785, 410590, 639656, 656944, 799570, 821180, 1279312, 1519183, 1599140, 1642360, 3038366, 3198280, 3284720, 6076732, 6396560, 7595915, 12153464, 15191830, 24306928, 30383660, 60767320, 121534640]

約数ペア:

[(1, 121534640), (2, 60767320), (4, 30383660), (5, 24306928), (8, 15191830), (10, 12153464), (16, 7595915), (19, 6396560), (20, 6076732), (37, 3284720), (38, 3198280), (40, 3038366), (74, 1642360), (76, 1599140), (80, 1519183), (95, 1279312), (148, 821180), (152, 799570), (185, 656944), (190, 639656), (296, 410590), (304, 399785), (370, 328472), (380, 319828), (592, 205295), (703, 172880), (740, 164236), (760, 159914), (1406, 86440), (1480, 82118), (1520, 79957), (2161, 56240), (2812, 43220), (2960, 41059), (3515, 34576), (4322, 28120), (5624, 21610), (7030, 17288), (8644, 14060), (10805, 11248)]