28830955.000000000

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:631

約数の個数: 160

約数和(自身を含む): 676623360

約数和(自身を除く): 475829520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 139, 156, 195, 208, 240, 260, 278, 312, 390, 417, 463, 520, 556, 624, 695, 780, 834, 926, 1040, 1112, 1389, 1390, 1560, 1668, 1807, 1852, 2085, 2224, 2315, 2778, 2780, 3120, 3336, 3614, 3704, 4170, 4630, 5421, 5556, 5560, 6019, 6672, 6945, 7228, 7408, 8340, 9035, 9260, 10842, 11112, 11120, 12038, 13890, 14456, 16680, 18057, 18070, 18520, 21684, 22224, 24076, 27105, 27780, 28912, 30095, 33360, 36114, 36140, 37040, 43368, 48152, 54210, 55560, 60190, 64357, 72228, 72280, 86736, 90285, 96304, 108420, 111120, 120380, 128714, 144456, 144560, 180570, 193071, 216840, 240760, 257428, 288912, 321785, 361140, 386142, 433680, 481520, 514856, 643570, 722280, 772284, 836641, 965355, 1029712, 1287140, 1444560, 1544568, 1673282, 1930710, 2509923, 2574280, 3089136, 3346564, 3861420, 4183205, 5019846, 5148560, 6693128, 7722840, 8366410, 10039692, 12549615, 13386256, 15445680, 16732820, 20079384, 25099230, 33465640, 40158768, 50198460, 66931280, 100396920, 200793840]

約数ペア:

[(1, 200793840), (2, 100396920), (3, 66931280), (4, 50198460), (5, 40158768), (6, 33465640), (8, 25099230), (10, 20079384), (12, 16732820), (13, 15445680), (15, 13386256), (16, 12549615), (20, 10039692), (24, 8366410), (26, 7722840), (30, 6693128), (39, 5148560), (40, 5019846), (48, 4183205), (52, 3861420), (60, 3346564), (65, 3089136), (78, 2574280), (80, 2509923), (104, 1930710), (120, 1673282), (130, 1544568), (139, 1444560), (156, 1287140), (195, 1029712), (208, 965355), (240, 836641), (260, 772284), (278, 722280), (312, 643570), (390, 514856), (417, 481520), (463, 433680), (520, 386142), (556, 361140), (624, 321785), (695, 288912), (780, 257428), (834, 240760), (926, 216840), (1040, 193071), (1112, 180570), (1389, 144560), (1390, 144456), (1560, 128714), (1668, 120380), (1807, 111120), (1852, 108420), (2085, 96304), (2224, 90285), (2315, 86736), (2778, 72280), (2780, 72228), (3120, 64357), (3336, 60190), (3614, 55560), (3704, 54210), (4170, 48152), (4630, 43368), (5421, 37040), (5556, 36140), (5560, 36114), (6019, 33360), (6672, 30095), (6945, 28912), (7228, 27780), (7408, 27105), (8340, 24076), (9035, 22224), (9260, 21684), (10842, 18520), (11112, 18070), (11120, 18057), (12038, 16680), (13890, 14456)]