180170820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{269}}^1$

素因数の和:406

約数の個数: 108

約数和(自身を含む): 557689860

約数和(自身を除く): 377519040

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 269, 305, 366, 538, 549, 610, 732, 807, 915, 1076, 1098, 1220, 1345, 1614, 1830, 2196, 2421, 2690, 2745, 3228, 3660, 3721, 4035, 4842, 5380, 5490, 7442, 8070, 9684, 10980, 11163, 12105, 14884, 16140, 16409, 18605, 22326, 24210, 32818, 33489, 37210, 44652, 48420, 49227, 55815, 65636, 66978, 74420, 82045, 98454, 111630, 133956, 147681, 164090, 167445, 196908, 223260, 246135, 295362, 328180, 334890, 492270, 590724, 669780, 738405, 984540, 1000949, 1476810, 2001898, 2953620, 3002847, 4003796, 5004745, 6005694, 9008541, 10009490, 12011388, 15014235, 18017082, 20018980, 30028470, 36034164, 45042705, 60056940, 90085410, 180170820]

約数ペア:

[(1, 180170820), (2, 90085410), (3, 60056940), (4, 45042705), (5, 36034164), (6, 30028470), (9, 20018980), (10, 18017082), (12, 15014235), (15, 12011388), (18, 10009490), (20, 9008541), (30, 6005694), (36, 5004745), (45, 4003796), (60, 3002847), (61, 2953620), (90, 2001898), (122, 1476810), (180, 1000949), (183, 984540), (244, 738405), (269, 669780), (305, 590724), (366, 492270), (538, 334890), (549, 328180), (610, 295362), (732, 246135), (807, 223260), (915, 196908), (1076, 167445), (1098, 164090), (1220, 147681), (1345, 133956), (1614, 111630), (1830, 98454), (2196, 82045), (2421, 74420), (2690, 66978), (2745, 65636), (3228, 55815), (3660, 49227), (3721, 48420), (4035, 44652), (4842, 37210), (5380, 33489), (5490, 32818), (7442, 24210), (8070, 22326), (9684, 18605), (10980, 16409), (11163, 16140), (12105, 14884)]