20957036640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{2767}}^1$

素因数の和:3325

約数の個数: 192

約数和(自身を含む): 68302725120

約数和(自身を除く): 47345688480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 509, 620, 744, 930, 992, 1018, 1240, 1488, 1527, 1860, 2036, 2480, 2545, 2767, 2976, 3054, 3720, 4072, 4960, 5090, 5534, 6108, 7440, 7635, 8144, 8301, 10180, 11068, 12216, 13835, 14880, 15270, 15779, 16288, 16602, 20360, 22136, 24432, 27670, 30540, 31558, 33204, 40720, 41505, 44272, 47337, 48864, 55340, 61080, 63116, 66408, 78895, 81440, 83010, 85777, 88544, 94674, 110680, 122160, 126232, 132816, 157790, 166020, 171554, 189348, 221360, 236685, 244320, 252464, 257331, 265632, 315580, 332040, 343108, 378696, 428885, 442720, 473370, 504928, 514662, 631160, 664080, 686216, 757392, 857770, 946740, 1029324, 1262320, 1286655, 1328160, 1372432, 1408403, 1514784, 1715540, 1893480, 2058648, 2524640, 2573310, 2744864, 2816806, 3431080, 3786960, 4117296, 4225209, 5146620, 5633612, 6862160, 7042015, 7573920, 8234592, 8450418, 10293240, 11267224, 13724320, 14084030, 16900836, 20586480, 21126045, 22534448, 28168060, 33801672, 41172960, 42252090, 43660493, 45068896, 56336120, 67603344, 84504180, 87320986, 112672240, 130981479, 135206688, 169008360, 174641972, 218302465, 225344480, 261962958, 338016720, 349283944, 436604930, 523925916, 654907395, 676033440, 698567888, 873209860, 1047851832, 1309814790, 1397135776, 1746419720, 2095703664, 2619629580, 3492839440, 4191407328, 5239259160, 6985678880, 10478518320, 20957036640]

約数ペア:

[(1, 20957036640), (2, 10478518320), (3, 6985678880), (4, 5239259160), (5, 4191407328), (6, 3492839440), (8, 2619629580), (10, 2095703664), (12, 1746419720), (15, 1397135776), (16, 1309814790), (20, 1047851832), (24, 873209860), (30, 698567888), (31, 676033440), (32, 654907395), (40, 523925916), (48, 436604930), (60, 349283944), (62, 338016720), (80, 261962958), (93, 225344480), (96, 218302465), (120, 174641972), (124, 169008360), (155, 135206688), (160, 130981479), (186, 112672240), (240, 87320986), (248, 84504180), (310, 67603344), (372, 56336120), (465, 45068896), (480, 43660493), (496, 42252090), (509, 41172960), (620, 33801672), (744, 28168060), (930, 22534448), (992, 21126045), (1018, 20586480), (1240, 16900836), (1488, 14084030), (1527, 13724320), (1860, 11267224), (2036, 10293240), (2480, 8450418), (2545, 8234592), (2767, 7573920), (2976, 7042015), (3054, 6862160), (3720, 5633612), (4072, 5146620), (4960, 4225209), (5090, 4117296), (5534, 3786960), (6108, 3431080), (7440, 2816806), (7635, 2744864), (8144, 2573310), (8301, 2524640), (10180, 2058648), (11068, 1893480), (12216, 1715540), (13835, 1514784), (14880, 1408403), (15270, 1372432), (15779, 1328160), (16288, 1286655), (16602, 1262320), (20360, 1029324), (22136, 946740), (24432, 857770), (27670, 757392), (30540, 686216), (31558, 664080), (33204, 631160), (40720, 514662), (41505, 504928), (44272, 473370), (47337, 442720), (48864, 428885), (55340, 378696), (61080, 343108), (63116, 332040), (66408, 315580), (78895, 265632), (81440, 257331), (83010, 252464), (85777, 244320), (88544, 236685), (94674, 221360), (110680, 189348), (122160, 171554), (126232, 166020), (132816, 157790)]