121492880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{569}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 301520880

約数和(自身を除く): 180028000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 157, 170, 272, 314, 340, 569, 628, 680, 785, 1138, 1256, 1360, 1570, 2276, 2512, 2669, 2845, 3140, 4552, 5338, 5690, 6280, 9104, 9673, 10676, 11380, 12560, 13345, 19346, 21352, 22760, 26690, 38692, 42704, 45520, 48365, 53380, 77384, 89333, 96730, 106760, 154768, 178666, 193460, 213520, 357332, 386920, 446665, 714664, 773840, 893330, 1429328, 1518661, 1786660, 3037322, 3573320, 6074644, 7146640, 7593305, 12149288, 15186610, 24298576, 30373220, 60746440, 121492880]

約数ペア:

[(1, 121492880), (2, 60746440), (4, 30373220), (5, 24298576), (8, 15186610), (10, 12149288), (16, 7593305), (17, 7146640), (20, 6074644), (34, 3573320), (40, 3037322), (68, 1786660), (80, 1518661), (85, 1429328), (136, 893330), (157, 773840), (170, 714664), (272, 446665), (314, 386920), (340, 357332), (569, 213520), (628, 193460), (680, 178666), (785, 154768), (1138, 106760), (1256, 96730), (1360, 89333), (1570, 77384), (2276, 53380), (2512, 48365), (2669, 45520), (2845, 42704), (3140, 38692), (4552, 26690), (5338, 22760), (5690, 21352), (6280, 19346), (9104, 13345), (9673, 12560), (10676, 11380)]