20225160

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:388

約数の個数: 128

約数和(自身を含む): 68745600

約数和(自身を除く): 48520440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 307, 360, 366, 488, 540, 549, 610, 614, 732, 915, 921, 1080, 1098, 1220, 1228, 1464, 1535, 1647, 1830, 1842, 2196, 2440, 2456, 2745, 2763, 3070, 3294, 3660, 3684, 4392, 4605, 5490, 5526, 6140, 6588, 7320, 7368, 8235, 8289, 9210, 10980, 11052, 12280, 13176, 13815, 16470, 16578, 18420, 18727, 21960, 22104, 27630, 32940, 33156, 36840, 37454, 41445, 55260, 56181, 65880, 66312, 74908, 82890, 93635, 110520, 112362, 149816, 165780, 168543, 187270, 224724, 280905, 331560, 337086, 374540, 449448, 505629, 561810, 674172, 749080, 842715, 1011258, 1123620, 1348344, 1685430, 2022516, 2247240, 2528145, 3370860, 4045032, 5056290, 6741720, 10112580, 20225160]

約数ペア:

[(1, 20225160), (2, 10112580), (3, 6741720), (4, 5056290), (5, 4045032), (6, 3370860), (8, 2528145), (9, 2247240), (10, 2022516), (12, 1685430), (15, 1348344), (18, 1123620), (20, 1011258), (24, 842715), (27, 749080), (30, 674172), (36, 561810), (40, 505629), (45, 449448), (54, 374540), (60, 337086), (61, 331560), (72, 280905), (90, 224724), (108, 187270), (120, 168543), (122, 165780), (135, 149816), (180, 112362), (183, 110520), (216, 93635), (244, 82890), (270, 74908), (305, 66312), (307, 65880), (360, 56181), (366, 55260), (488, 41445), (540, 37454), (549, 36840), (610, 33156), (614, 32940), (732, 27630), (915, 22104), (921, 21960), (1080, 18727), (1098, 18420), (1220, 16578), (1228, 16470), (1464, 13815), (1535, 13176), (1647, 12280), (1830, 11052), (1842, 10980), (2196, 9210), (2440, 8289), (2456, 8235), (2745, 7368), (2763, 7320), (3070, 6588), (3294, 6140), (3660, 5526), (3684, 5490), (4392, 4605)]