253956420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 794167920

約数和(自身を除く): 540211500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 101, 122, 180, 183, 202, 229, 244, 303, 305, 366, 404, 458, 505, 549, 606, 610, 687, 732, 909, 915, 916, 1010, 1098, 1145, 1212, 1220, 1374, 1515, 1818, 1830, 2020, 2061, 2196, 2290, 2745, 2748, 3030, 3435, 3636, 3660, 4122, 4545, 4580, 5490, 6060, 6161, 6870, 8244, 9090, 10305, 10980, 12322, 13740, 13969, 18180, 18483, 20610, 23129, 24644, 27938, 30805, 36966, 41220, 41907, 46258, 55449, 55876, 61610, 69387, 69845, 73932, 83814, 92415, 92516, 110898, 115645, 123220, 125721, 138774, 139690, 167628, 184830, 208161, 209535, 221796, 231290, 251442, 277245, 277548, 279380, 346935, 369660, 416322, 419070, 462580, 502884, 554490, 628605, 693870, 832644, 838140, 1040805, 1108980, 1257210, 1387740, 1410869, 2081610, 2514420, 2821738, 4163220, 4232607, 5643476, 7054345, 8465214, 12697821, 14108690, 16930428, 21163035, 25395642, 28217380, 42326070, 50791284, 63489105, 84652140, 126978210, 253956420]

約数ペア:

[(1, 253956420), (2, 126978210), (3, 84652140), (4, 63489105), (5, 50791284), (6, 42326070), (9, 28217380), (10, 25395642), (12, 21163035), (15, 16930428), (18, 14108690), (20, 12697821), (30, 8465214), (36, 7054345), (45, 5643476), (60, 4232607), (61, 4163220), (90, 2821738), (101, 2514420), (122, 2081610), (180, 1410869), (183, 1387740), (202, 1257210), (229, 1108980), (244, 1040805), (303, 838140), (305, 832644), (366, 693870), (404, 628605), (458, 554490), (505, 502884), (549, 462580), (606, 419070), (610, 416322), (687, 369660), (732, 346935), (909, 279380), (915, 277548), (916, 277245), (1010, 251442), (1098, 231290), (1145, 221796), (1212, 209535), (1220, 208161), (1374, 184830), (1515, 167628), (1818, 139690), (1830, 138774), (2020, 125721), (2061, 123220), (2196, 115645), (2290, 110898), (2745, 92516), (2748, 92415), (3030, 83814), (3435, 73932), (3636, 69845), (3660, 69387), (4122, 61610), (4545, 55876), (4580, 55449), (5490, 46258), (6060, 41907), (6161, 41220), (6870, 36966), (8244, 30805), (9090, 27938), (10305, 24644), (10980, 23129), (12322, 20610), (13740, 18483), (13969, 18180)]