19806563520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{12347}}^1$

素因数の和:12927

約数の個数: 168

約数和(自身を含む): 68254162704

約数和(自身を除く): 48447599184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 557, 576, 720, 960, 1114, 1440, 1671, 2228, 2785, 2880, 3342, 4456, 5013, 5570, 6684, 8355, 8912, 10026, 11140, 12347, 13368, 16710, 17824, 20052, 22280, 24694, 25065, 26736, 33420, 35648, 37041, 40104, 44560, 49388, 50130, 53472, 61735, 66840, 74082, 80208, 89120, 98776, 100260, 106944, 111123, 123470, 133680, 148164, 160416, 178240, 185205, 197552, 200520, 222246, 246940, 267360, 296328, 320832, 370410, 395104, 401040, 444492, 493880, 534720, 555615, 592656, 740820, 790208, 802080, 888984, 987760, 1111230, 1185312, 1481640, 1604160, 1777968, 1975520, 2222460, 2370624, 2963280, 3555936, 3951040, 4444920, 5926560, 6877279, 7111872, 8889840, 11853120, 13754558, 17779680, 20631837, 27509116, 34386395, 35559360, 41263674, 55018232, 61895511, 68772790, 82527348, 103159185, 110036464, 123791022, 137545580, 165054696, 206318370, 220072928, 247582044, 275091160, 309477555, 330109392, 412636740, 440145856, 495164088, 550182320, 618955110, 660218784, 825273480, 990328176, 1100364640, 1237910220, 1320437568, 1650546960, 1980656352, 2200729280, 2475820440, 3301093920, 3961312704, 4951640880, 6602187840, 9903281760, 19806563520]

約数ペア:

[(1, 19806563520), (2, 9903281760), (3, 6602187840), (4, 4951640880), (5, 3961312704), (6, 3301093920), (8, 2475820440), (9, 2200729280), (10, 1980656352), (12, 1650546960), (15, 1320437568), (16, 1237910220), (18, 1100364640), (20, 990328176), (24, 825273480), (30, 660218784), (32, 618955110), (36, 550182320), (40, 495164088), (45, 440145856), (48, 412636740), (60, 330109392), (64, 309477555), (72, 275091160), (80, 247582044), (90, 220072928), (96, 206318370), (120, 165054696), (144, 137545580), (160, 123791022), (180, 110036464), (192, 103159185), (240, 82527348), (288, 68772790), (320, 61895511), (360, 55018232), (480, 41263674), (557, 35559360), (576, 34386395), (720, 27509116), (960, 20631837), (1114, 17779680), (1440, 13754558), (1671, 11853120), (2228, 8889840), (2785, 7111872), (2880, 6877279), (3342, 5926560), (4456, 4444920), (5013, 3951040), (5570, 3555936), (6684, 2963280), (8355, 2370624), (8912, 2222460), (10026, 1975520), (11140, 1777968), (12347, 1604160), (13368, 1481640), (16710, 1185312), (17824, 1111230), (20052, 987760), (22280, 888984), (24694, 802080), (25065, 790208), (26736, 740820), (33420, 592656), (35648, 555615), (37041, 534720), (40104, 493880), (44560, 444492), (49388, 401040), (50130, 395104), (53472, 370410), (61735, 320832), (66840, 296328), (74082, 267360), (80208, 246940), (89120, 222246), (98776, 200520), (100260, 197552), (106944, 185205), (111123, 178240), (123470, 160416), (133680, 148164)]