18501660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 60540480

約数和(自身を除く): 42038820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 41, 45, 46, 60, 69, 82, 90, 92, 109, 115, 123, 138, 164, 180, 205, 207, 218, 230, 246, 276, 327, 345, 369, 410, 414, 436, 460, 492, 545, 615, 654, 690, 738, 820, 828, 943, 981, 1035, 1090, 1230, 1308, 1380, 1476, 1635, 1845, 1886, 1962, 2070, 2180, 2460, 2507, 2829, 3270, 3690, 3772, 3924, 4140, 4469, 4715, 4905, 5014, 5658, 6540, 7380, 7521, 8487, 8938, 9430, 9810, 10028, 11316, 12535, 13407, 14145, 15042, 16974, 17876, 18860, 19620, 22345, 22563, 25070, 26814, 28290, 30084, 33948, 37605, 40221, 42435, 44690, 45126, 50140, 53628, 56580, 67035, 75210, 80442, 84870, 89380, 90252, 102787, 112815, 134070, 150420, 160884, 169740, 201105, 205574, 225630, 268140, 308361, 402210, 411148, 451260, 513935, 616722, 804420, 925083, 1027870, 1233444, 1541805, 1850166, 2055740, 3083610, 3700332, 4625415, 6167220, 9250830, 18501660]

約数ペア:

[(1, 18501660), (2, 9250830), (3, 6167220), (4, 4625415), (5, 3700332), (6, 3083610), (9, 2055740), (10, 1850166), (12, 1541805), (15, 1233444), (18, 1027870), (20, 925083), (23, 804420), (30, 616722), (36, 513935), (41, 451260), (45, 411148), (46, 402210), (60, 308361), (69, 268140), (82, 225630), (90, 205574), (92, 201105), (109, 169740), (115, 160884), (123, 150420), (138, 134070), (164, 112815), (180, 102787), (205, 90252), (207, 89380), (218, 84870), (230, 80442), (246, 75210), (276, 67035), (327, 56580), (345, 53628), (369, 50140), (410, 45126), (414, 44690), (436, 42435), (460, 40221), (492, 37605), (545, 33948), (615, 30084), (654, 28290), (690, 26814), (738, 25070), (820, 22563), (828, 22345), (943, 19620), (981, 18860), (1035, 17876), (1090, 16974), (1230, 15042), (1308, 14145), (1380, 13407), (1476, 12535), (1635, 11316), (1845, 10028), (1886, 9810), (1962, 9430), (2070, 8938), (2180, 8487), (2460, 7521), (2507, 7380), (2829, 6540), (3270, 5658), (3690, 5014), (3772, 4905), (3924, 4715), (4140, 4469)]