67647780

素因数分解:

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

素因数の和:238

約数の個数: 108

約数和(自身を含む): 210682836

約数和(自身を除く): 143035056

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, 3721, 4545, 5490, 6060, 6161, 7442, 9090, 10980, 11163, 12322, 14884, 18180, 18483, 18605, 22326, 24644, 30805, 33489, 36966, 37210, 44652, 55449, 55815, 61610, 66978, 73932, 74420, 92415, 110898, 111630, 123220, 133956, 167445, 184830, 221796, 223260, 277245, 334890, 369660, 375821, 554490, 669780, 751642, 1108980, 1127463, 1503284, 1879105, 2254926, 3382389, 3758210, 4509852, 5637315, 6764778, 7516420, 11274630, 13529556, 16911945, 22549260, 33823890, 67647780]

約数ペア:

[(1, 67647780), (2, 33823890), (3, 22549260), (4, 16911945), (5, 13529556), (6, 11274630), (9, 7516420), (10, 6764778), (12, 5637315), (15, 4509852), (18, 3758210), (20, 3382389), (30, 2254926), (36, 1879105), (45, 1503284), (60, 1127463), (61, 1108980), (90, 751642), (101, 669780), (122, 554490), (180, 375821), (183, 369660), (202, 334890), (244, 277245), (303, 223260), (305, 221796), (366, 184830), (404, 167445), (505, 133956), (549, 123220), (606, 111630), (610, 110898), (732, 92415), (909, 74420), (915, 73932), (1010, 66978), (1098, 61610), (1212, 55815), (1220, 55449), (1515, 44652), (1818, 37210), (1830, 36966), (2020, 33489), (2196, 30805), (2745, 24644), (3030, 22326), (3636, 18605), (3660, 18483), (3721, 18180), (4545, 14884), (5490, 12322), (6060, 11163), (6161, 10980), (7442, 9090)]