61689780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3203}}^1$

素因数の和:3325

約数の個数: 72

約数和(自身を含む): 188933472

約数和(自身を除く): 127243692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2140, 3203, 3210, 3852, 4815, 6406, 6420, 9609, 9630, 12812, 16015, 19218, 19260, 28827, 32030, 38436, 48045, 57654, 64060, 96090, 115308, 144135, 192180, 288270, 342721, 576540, 685442, 1028163, 1370884, 1713605, 2056326, 3084489, 3427210, 4112652, 5140815, 6168978, 6854420, 10281630, 12337956, 15422445, 20563260, 30844890, 61689780]

約数ペア:

[(1, 61689780), (2, 30844890), (3, 20563260), (4, 15422445), (5, 12337956), (6, 10281630), (9, 6854420), (10, 6168978), (12, 5140815), (15, 4112652), (18, 3427210), (20, 3084489), (30, 2056326), (36, 1713605), (45, 1370884), (60, 1028163), (90, 685442), (107, 576540), (180, 342721), (214, 288270), (321, 192180), (428, 144135), (535, 115308), (642, 96090), (963, 64060), (1070, 57654), (1284, 48045), (1605, 38436), (1926, 32030), (2140, 28827), (3203, 19260), (3210, 19218), (3852, 16015), (4815, 12812), (6406, 9630), (6420, 9609)]