121213260

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{509}}^1$

素因数の和:547

約数の個数: 216

約数和(自身を含む): 444422160

約数和(自身を除く): 323208900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 243, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 486, 490, 509, 540, 567, 588, 630, 735, 756, 810, 882, 945, 972, 980, 1018, 1134, 1215, 1260, 1323, 1470, 1527, 1620, 1701, 1764, 1890, 2036, 2205, 2268, 2430, 2545, 2646, 2835, 2940, 3054, 3402, 3563, 3780, 3969, 4410, 4581, 4860, 5090, 5292, 5670, 6108, 6615, 6804, 7126, 7635, 7938, 8505, 8820, 9162, 10180, 10689, 11340, 11907, 13230, 13743, 14252, 15270, 15876, 17010, 17815, 18324, 19845, 21378, 22905, 23814, 24941, 26460, 27486, 30540, 32067, 34020, 35630, 39690, 41229, 42756, 45810, 47628, 49882, 53445, 54972, 59535, 64134, 68715, 71260, 74823, 79380, 82458, 91620, 96201, 99764, 106890, 119070, 123687, 124705, 128268, 137430, 149646, 160335, 164916, 192402, 206145, 213780, 224469, 238140, 247374, 249410, 274860, 288603, 299292, 320670, 374115, 384804, 412290, 448938, 481005, 494748, 498820, 577206, 618435, 641340, 673407, 748230, 824580, 865809, 897876, 962010, 1122345, 1154412, 1236870, 1346814, 1443015, 1496460, 1731618, 1924020, 2020221, 2244690, 2473740, 2693628, 2886030, 3367035, 3463236, 4040442, 4329045, 4489380, 5772060, 6060663, 6734070, 8080884, 8658090, 10101105, 12121326, 13468140, 17316180, 20202210, 24242652, 30303315, 40404420, 60606630, 121213260]

約数ペア:

[(1, 121213260), (2, 60606630), (3, 40404420), (4, 30303315), (5, 24242652), (6, 20202210), (7, 17316180), (9, 13468140), (10, 12121326), (12, 10101105), (14, 8658090), (15, 8080884), (18, 6734070), (20, 6060663), (21, 5772060), (27, 4489380), (28, 4329045), (30, 4040442), (35, 3463236), (36, 3367035), (42, 2886030), (45, 2693628), (49, 2473740), (54, 2244690), (60, 2020221), (63, 1924020), (70, 1731618), (81, 1496460), (84, 1443015), (90, 1346814), (98, 1236870), (105, 1154412), (108, 1122345), (126, 962010), (135, 897876), (140, 865809), (147, 824580), (162, 748230), (180, 673407), (189, 641340), (196, 618435), (210, 577206), (243, 498820), (245, 494748), (252, 481005), (270, 448938), (294, 412290), (315, 384804), (324, 374115), (378, 320670), (405, 299292), (420, 288603), (441, 274860), (486, 249410), (490, 247374), (509, 238140), (540, 224469), (567, 213780), (588, 206145), (630, 192402), (735, 164916), (756, 160335), (810, 149646), (882, 137430), (945, 128268), (972, 124705), (980, 123687), (1018, 119070), (1134, 106890), (1215, 99764), (1260, 96201), (1323, 91620), (1470, 82458), (1527, 79380), (1620, 74823), (1701, 71260), (1764, 68715), (1890, 64134), (2036, 59535), (2205, 54972), (2268, 53445), (2430, 49882), (2545, 47628), (2646, 45810), (2835, 42756), (2940, 41229), (3054, 39690), (3402, 35630), (3563, 34020), (3780, 32067), (3969, 30540), (4410, 27486), (4581, 26460), (4860, 24941), (5090, 23814), (5292, 22905), (5670, 21378), (6108, 19845), (6615, 18324), (6804, 17815), (7126, 17010), (7635, 15876), (7938, 15270), (8505, 14252), (8820, 13743), (9162, 13230), (10180, 11907), (10689, 11340)]