53981340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 183321600

約数和(自身を除く): 129340260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 61, 70, 84, 86, 98, 105, 122, 129, 140, 147, 172, 183, 196, 210, 215, 244, 245, 258, 294, 301, 305, 343, 366, 420, 427, 430, 490, 516, 588, 602, 610, 645, 686, 732, 735, 854, 860, 903, 915, 980, 1029, 1204, 1220, 1281, 1290, 1372, 1470, 1505, 1708, 1715, 1806, 1830, 2058, 2107, 2135, 2562, 2580, 2623, 2940, 2989, 3010, 3430, 3612, 3660, 4116, 4214, 4270, 4515, 5124, 5145, 5246, 5978, 6020, 6321, 6405, 6860, 7869, 8428, 8540, 8967, 9030, 10290, 10492, 10535, 11956, 12642, 12810, 13115, 14749, 14945, 15738, 17934, 18060, 18361, 20580, 20923, 21070, 25284, 25620, 26230, 29498, 29890, 31476, 31605, 35868, 36722, 39345, 41846, 42140, 44247, 44835, 52460, 55083, 58996, 59780, 62769, 63210, 73444, 73745, 78690, 83692, 88494, 89670, 91805, 104615, 110166, 125538, 126420, 128527, 147490, 157380, 176988, 179340, 183610, 209230, 220332, 221235, 251076, 257054, 275415, 294980, 313845, 367220, 385581, 418460, 442470, 514108, 550830, 627690, 642635, 771162, 884940, 899689, 1101660, 1255380, 1285270, 1542324, 1799378, 1927905, 2570540, 2699067, 3598756, 3855810, 4498445, 5398134, 7711620, 8996890, 10796268, 13495335, 17993780, 26990670, 53981340]

約数ペア:

[(1, 53981340), (2, 26990670), (3, 17993780), (4, 13495335), (5, 10796268), (6, 8996890), (7, 7711620), (10, 5398134), (12, 4498445), (14, 3855810), (15, 3598756), (20, 2699067), (21, 2570540), (28, 1927905), (30, 1799378), (35, 1542324), (42, 1285270), (43, 1255380), (49, 1101660), (60, 899689), (61, 884940), (70, 771162), (84, 642635), (86, 627690), (98, 550830), (105, 514108), (122, 442470), (129, 418460), (140, 385581), (147, 367220), (172, 313845), (183, 294980), (196, 275415), (210, 257054), (215, 251076), (244, 221235), (245, 220332), (258, 209230), (294, 183610), (301, 179340), (305, 176988), (343, 157380), (366, 147490), (420, 128527), (427, 126420), (430, 125538), (490, 110166), (516, 104615), (588, 91805), (602, 89670), (610, 88494), (645, 83692), (686, 78690), (732, 73745), (735, 73444), (854, 63210), (860, 62769), (903, 59780), (915, 58996), (980, 55083), (1029, 52460), (1204, 44835), (1220, 44247), (1281, 42140), (1290, 41846), (1372, 39345), (1470, 36722), (1505, 35868), (1708, 31605), (1715, 31476), (1806, 29890), (1830, 29498), (2058, 26230), (2107, 25620), (2135, 25284), (2562, 21070), (2580, 20923), (2623, 20580), (2940, 18361), (2989, 18060), (3010, 17934), (3430, 15738), (3612, 14945), (3660, 14749), (4116, 13115), (4214, 12810), (4270, 12642), (4515, 11956), (5124, 10535), (5145, 10492), (5246, 10290), (5978, 9030), (6020, 8967), (6321, 8540), (6405, 8428), (6860, 7869)]