18005520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 62496000

約数和(自身を除く): 44490480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 39, 40, 48, 52, 58, 60, 65, 78, 80, 87, 104, 116, 120, 130, 145, 156, 174, 195, 199, 208, 232, 240, 260, 290, 312, 348, 377, 390, 398, 435, 464, 520, 580, 597, 624, 696, 754, 780, 796, 870, 995, 1040, 1131, 1160, 1194, 1392, 1508, 1560, 1592, 1740, 1885, 1990, 2262, 2320, 2388, 2587, 2985, 3016, 3120, 3184, 3480, 3770, 3980, 4524, 4776, 5174, 5655, 5771, 5970, 6032, 6960, 7540, 7761, 7960, 9048, 9552, 10348, 11310, 11542, 11940, 12935, 15080, 15522, 15920, 17313, 18096, 20696, 22620, 23084, 23880, 25870, 28855, 30160, 31044, 34626, 38805, 41392, 45240, 46168, 47760, 51740, 57710, 62088, 69252, 75023, 77610, 86565, 90480, 92336, 103480, 115420, 124176, 138504, 150046, 155220, 173130, 206960, 225069, 230840, 277008, 300092, 310440, 346260, 375115, 450138, 461680, 600184, 620880, 692520, 750230, 900276, 1125345, 1200368, 1385040, 1500460, 1800552, 2250690, 3000920, 3601104, 4501380, 6001840, 9002760, 18005520]

約数ペア:

[(1, 18005520), (2, 9002760), (3, 6001840), (4, 4501380), (5, 3601104), (6, 3000920), (8, 2250690), (10, 1800552), (12, 1500460), (13, 1385040), (15, 1200368), (16, 1125345), (20, 900276), (24, 750230), (26, 692520), (29, 620880), (30, 600184), (39, 461680), (40, 450138), (48, 375115), (52, 346260), (58, 310440), (60, 300092), (65, 277008), (78, 230840), (80, 225069), (87, 206960), (104, 173130), (116, 155220), (120, 150046), (130, 138504), (145, 124176), (156, 115420), (174, 103480), (195, 92336), (199, 90480), (208, 86565), (232, 77610), (240, 75023), (260, 69252), (290, 62088), (312, 57710), (348, 51740), (377, 47760), (390, 46168), (398, 45240), (435, 41392), (464, 38805), (520, 34626), (580, 31044), (597, 30160), (624, 28855), (696, 25870), (754, 23880), (780, 23084), (796, 22620), (870, 20696), (995, 18096), (1040, 17313), (1131, 15920), (1160, 15522), (1194, 15080), (1392, 12935), (1508, 11940), (1560, 11542), (1592, 11310), (1740, 10348), (1885, 9552), (1990, 9048), (2262, 7960), (2320, 7761), (2388, 7540), (2587, 6960), (2985, 6032), (3016, 5970), (3120, 5771), (3184, 5655), (3480, 5174), (3770, 4776), (3980, 4524)]