208891020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 666537984

約数和(自身を除く): 457646964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 53, 60, 62, 65, 78, 93, 106, 124, 130, 155, 156, 159, 163, 186, 195, 212, 260, 265, 310, 318, 326, 372, 390, 403, 465, 489, 530, 620, 636, 652, 689, 780, 795, 806, 815, 930, 978, 1060, 1209, 1378, 1590, 1612, 1630, 1643, 1860, 1956, 2015, 2067, 2119, 2418, 2445, 2756, 3180, 3260, 3286, 3445, 4030, 4134, 4238, 4836, 4890, 4929, 5053, 6045, 6357, 6572, 6890, 8060, 8215, 8268, 8476, 8639, 9780, 9858, 10106, 10335, 10595, 12090, 12714, 13780, 15159, 16430, 17278, 19716, 20212, 20670, 21190, 21359, 24180, 24645, 25265, 25428, 25917, 30318, 31785, 32860, 34556, 41340, 42380, 42718, 43195, 49290, 50530, 51834, 60636, 63570, 64077, 65689, 75795, 85436, 86390, 98580, 101060, 103668, 106795, 112307, 127140, 128154, 129585, 131378, 151590, 172780, 197067, 213590, 224614, 256308, 259170, 262756, 267809, 303180, 320385, 328445, 336921, 394134, 427180, 449228, 518340, 535618, 561535, 640770, 656890, 673842, 788268, 803427, 985335, 1071236, 1123070, 1281540, 1313780, 1339045, 1347684, 1606854, 1684605, 1970670, 2246140, 2678090, 3213708, 3369210, 3481517, 3941340, 4017135, 5356180, 6738420, 6963034, 8034270, 10444551, 13926068, 16068540, 17407585, 20889102, 34815170, 41778204, 52222755, 69630340, 104445510, 208891020]

約数ペア:

[(1, 208891020), (2, 104445510), (3, 69630340), (4, 52222755), (5, 41778204), (6, 34815170), (10, 20889102), (12, 17407585), (13, 16068540), (15, 13926068), (20, 10444551), (26, 8034270), (30, 6963034), (31, 6738420), (39, 5356180), (52, 4017135), (53, 3941340), (60, 3481517), (62, 3369210), (65, 3213708), (78, 2678090), (93, 2246140), (106, 1970670), (124, 1684605), (130, 1606854), (155, 1347684), (156, 1339045), (159, 1313780), (163, 1281540), (186, 1123070), (195, 1071236), (212, 985335), (260, 803427), (265, 788268), (310, 673842), (318, 656890), (326, 640770), (372, 561535), (390, 535618), (403, 518340), (465, 449228), (489, 427180), (530, 394134), (620, 336921), (636, 328445), (652, 320385), (689, 303180), (780, 267809), (795, 262756), (806, 259170), (815, 256308), (930, 224614), (978, 213590), (1060, 197067), (1209, 172780), (1378, 151590), (1590, 131378), (1612, 129585), (1630, 128154), (1643, 127140), (1860, 112307), (1956, 106795), (2015, 103668), (2067, 101060), (2119, 98580), (2418, 86390), (2445, 85436), (2756, 75795), (3180, 65689), (3260, 64077), (3286, 63570), (3445, 60636), (4030, 51834), (4134, 50530), (4238, 49290), (4836, 43195), (4890, 42718), (4929, 42380), (5053, 41340), (6045, 34556), (6357, 32860), (6572, 31785), (6890, 30318), (8060, 25917), (8215, 25428), (8268, 25265), (8476, 24645), (8639, 24180), (9780, 21359), (9858, 21190), (10106, 20670), (10335, 20212), (10595, 19716), (12090, 17278), (12714, 16430), (13780, 15159)]