1108980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 3452904

約数和(自身を除く): 2343924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 101, 122, 180, 183, 202, 244, 303, 305, 366, 404, 505, 549, 606, 610, 732, 909, 915, 1010, 1098, 1212, 1220, 1515, 1818, 1830, 2020, 2196, 2745, 3030, 3636, 3660, 4545, 5490, 6060, 6161, 9090, 10980, 12322, 18180, 18483, 24644, 30805, 36966, 55449, 61610, 73932, 92415, 110898, 123220, 184830, 221796, 277245, 369660, 554490, 1108980]

約数ペア:

[(1, 1108980), (2, 554490), (3, 369660), (4, 277245), (5, 221796), (6, 184830), (9, 123220), (10, 110898), (12, 92415), (15, 73932), (18, 61610), (20, 55449), (30, 36966), (36, 30805), (45, 24644), (60, 18483), (61, 18180), (90, 12322), (101, 10980), (122, 9090), (180, 6161), (183, 6060), (202, 5490), (244, 4545), (303, 3660), (305, 3636), (366, 3030), (404, 2745), (505, 2196), (549, 2020), (606, 1830), (610, 1818), (732, 1515), (909, 1220), (915, 1212), (1010, 1098)]