1728697080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{6581}}^1$

素因数の和:6805

約数の個数: 128

約数和(自身を含む): 5686848000

約数和(自身を除く): 3958150920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 199, 220, 264, 330, 398, 440, 597, 660, 796, 995, 1194, 1320, 1592, 1990, 2189, 2388, 2985, 3980, 4378, 4776, 5970, 6567, 6581, 7960, 8756, 10945, 11940, 13134, 13162, 17512, 19743, 21890, 23880, 26268, 26324, 32835, 32905, 39486, 43780, 52536, 52648, 65670, 65810, 72391, 78972, 87560, 98715, 131340, 131620, 144782, 157944, 197430, 217173, 262680, 263240, 289564, 361955, 394860, 434346, 579128, 723910, 789720, 868692, 1085865, 1309619, 1447820, 1737384, 2171730, 2619238, 2895640, 3928857, 4343460, 5238476, 6548095, 7857714, 8686920, 10476952, 13096190, 14405809, 15715428, 19644285, 26192380, 28811618, 31430856, 39288570, 43217427, 52384760, 57623236, 72029045, 78577140, 86434854, 115246472, 144058090, 157154280, 172869708, 216087135, 288116180, 345739416, 432174270, 576232360, 864348540, 1728697080]

約数ペア:

[(1, 1728697080), (2, 864348540), (3, 576232360), (4, 432174270), (5, 345739416), (6, 288116180), (8, 216087135), (10, 172869708), (11, 157154280), (12, 144058090), (15, 115246472), (20, 86434854), (22, 78577140), (24, 72029045), (30, 57623236), (33, 52384760), (40, 43217427), (44, 39288570), (55, 31430856), (60, 28811618), (66, 26192380), (88, 19644285), (110, 15715428), (120, 14405809), (132, 13096190), (165, 10476952), (199, 8686920), (220, 7857714), (264, 6548095), (330, 5238476), (398, 4343460), (440, 3928857), (597, 2895640), (660, 2619238), (796, 2171730), (995, 1737384), (1194, 1447820), (1320, 1309619), (1592, 1085865), (1990, 868692), (2189, 789720), (2388, 723910), (2985, 579128), (3980, 434346), (4378, 394860), (4776, 361955), (5970, 289564), (6567, 263240), (6581, 262680), (7960, 217173), (8756, 197430), (10945, 157944), (11940, 144782), (13134, 131620), (13162, 131340), (17512, 98715), (19743, 87560), (21890, 78972), (23880, 72391), (26268, 65810), (26324, 65670), (32835, 52648), (32905, 52536), (39486, 43780)]