402807780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{54581}}^1$

素因数の和:54637

約数の個数: 72

約数和(自身を含む): 1251674424

約数和(自身を除く): 848866644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 54581, 109162, 163743, 218324, 272905, 327486, 491229, 545810, 654972, 818715, 982458, 1091620, 1637430, 1964916, 2237821, 2456145, 3274860, 4475642, 4912290, 6713463, 8951284, 9824580, 11189105, 13426926, 20140389, 22378210, 26853852, 33567315, 40280778, 44756420, 67134630, 80561556, 100701945, 134269260, 201403890, 402807780]

約数ペア:

[(1, 402807780), (2, 201403890), (3, 134269260), (4, 100701945), (5, 80561556), (6, 67134630), (9, 44756420), (10, 40280778), (12, 33567315), (15, 26853852), (18, 22378210), (20, 20140389), (30, 13426926), (36, 11189105), (41, 9824580), (45, 8951284), (60, 6713463), (82, 4912290), (90, 4475642), (123, 3274860), (164, 2456145), (180, 2237821), (205, 1964916), (246, 1637430), (369, 1091620), (410, 982458), (492, 818715), (615, 654972), (738, 545810), (820, 491229), (1230, 327486), (1476, 272905), (1845, 218324), (2460, 163743), (3690, 109162), (7380, 54581)]