640439346780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1\times {\mathrm{182921}}^1$

素因数の和:183356

約数の個数: 144

約数和(自身を含む): 1984724187264

約数和(自身を除く): 1344284840484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 367, 477, 530, 636, 734, 795, 954, 1060, 1101, 1468, 1590, 1835, 1908, 2202, 2385, 3180, 3303, 3670, 4404, 4770, 5505, 6606, 7340, 9540, 11010, 13212, 16515, 19451, 22020, 33030, 38902, 58353, 66060, 77804, 97255, 116706, 175059, 182921, 194510, 233412, 291765, 350118, 365842, 389020, 548763, 583530, 700236, 731684, 875295, 914605, 1097526, 1167060, 1646289, 1750590, 1829210, 2195052, 2743815, 3292578, 3501180, 3658420, 5487630, 6585156, 8231445, 9694813, 10975260, 16462890, 19389626, 29084439, 32925780, 38779252, 48474065, 58168878, 67132007, 87253317, 96948130, 116337756, 134264014, 145422195, 174506634, 193896260, 201396021, 268528028, 290844390, 335660035, 349013268, 402792042, 436266585, 581688780, 604188063, 671320070, 805584084, 872533170, 1006980105, 1208376126, 1342640140, 1745066340, 2013960210, 2416752252, 3020940315, 3557996371, 4027920420, 6041880630, 7115992742, 10673989113, 12083761260, 14231985484, 17789981855, 21347978226, 32021967339, 35579963710, 42695956452, 53369945565, 64043934678, 71159927420, 106739891130, 128087869356, 160109836695, 213479782260, 320219673390, 640439346780]

約数ペア:

[(1, 640439346780), (2, 320219673390), (3, 213479782260), (4, 160109836695), (5, 128087869356), (6, 106739891130), (9, 71159927420), (10, 64043934678), (12, 53369945565), (15, 42695956452), (18, 35579963710), (20, 32021967339), (30, 21347978226), (36, 17789981855), (45, 14231985484), (53, 12083761260), (60, 10673989113), (90, 7115992742), (106, 6041880630), (159, 4027920420), (180, 3557996371), (212, 3020940315), (265, 2416752252), (318, 2013960210), (367, 1745066340), (477, 1342640140), (530, 1208376126), (636, 1006980105), (734, 872533170), (795, 805584084), (954, 671320070), (1060, 604188063), (1101, 581688780), (1468, 436266585), (1590, 402792042), (1835, 349013268), (1908, 335660035), (2202, 290844390), (2385, 268528028), (3180, 201396021), (3303, 193896260), (3670, 174506634), (4404, 145422195), (4770, 134264014), (5505, 116337756), (6606, 96948130), (7340, 87253317), (9540, 67132007), (11010, 58168878), (13212, 48474065), (16515, 38779252), (19451, 32925780), (22020, 29084439), (33030, 19389626), (38902, 16462890), (58353, 10975260), (66060, 9694813), (77804, 8231445), (97255, 6585156), (116706, 5487630), (175059, 3658420), (182921, 3501180), (194510, 3292578), (233412, 2743815), (291765, 2195052), (350118, 1829210), (365842, 1750590), (389020, 1646289), (548763, 1167060), (583530, 1097526), (700236, 914605), (731684, 875295)]