253963320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{619}}^1$

素因数の和:909

約数の個数: 128

約数和(自身を含む): 824947200

約数和(自身を除く): 570983880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 263, 312, 390, 520, 526, 619, 780, 789, 1052, 1238, 1315, 1560, 1578, 1857, 2104, 2476, 2630, 3095, 3156, 3419, 3714, 3945, 4952, 5260, 6190, 6312, 6838, 7428, 7890, 8047, 9285, 10257, 10520, 12380, 13676, 14856, 15780, 16094, 17095, 18570, 20514, 24141, 24760, 27352, 31560, 32188, 34190, 37140, 40235, 41028, 48282, 51285, 64376, 68380, 74280, 80470, 82056, 96564, 102570, 120705, 136760, 160940, 162797, 193128, 205140, 241410, 321880, 325594, 410280, 482820, 488391, 651188, 813985, 965640, 976782, 1302376, 1627970, 1953564, 2116361, 2441955, 3255940, 3907128, 4232722, 4883910, 6349083, 6511880, 8465444, 9767820, 10581805, 12698166, 16930888, 19535640, 21163610, 25396332, 31745415, 42327220, 50792664, 63490830, 84654440, 126981660, 253963320]

約数ペア:

[(1, 253963320), (2, 126981660), (3, 84654440), (4, 63490830), (5, 50792664), (6, 42327220), (8, 31745415), (10, 25396332), (12, 21163610), (13, 19535640), (15, 16930888), (20, 12698166), (24, 10581805), (26, 9767820), (30, 8465444), (39, 6511880), (40, 6349083), (52, 4883910), (60, 4232722), (65, 3907128), (78, 3255940), (104, 2441955), (120, 2116361), (130, 1953564), (156, 1627970), (195, 1302376), (260, 976782), (263, 965640), (312, 813985), (390, 651188), (520, 488391), (526, 482820), (619, 410280), (780, 325594), (789, 321880), (1052, 241410), (1238, 205140), (1315, 193128), (1560, 162797), (1578, 160940), (1857, 136760), (2104, 120705), (2476, 102570), (2630, 96564), (3095, 82056), (3156, 80470), (3419, 74280), (3714, 68380), (3945, 64376), (4952, 51285), (5260, 48282), (6190, 41028), (6312, 40235), (6838, 37140), (7428, 34190), (7890, 32188), (8047, 31560), (9285, 27352), (10257, 24760), (10520, 24141), (12380, 20514), (13676, 18570), (14856, 17095), (15780, 16094)]