205008160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:439

約数の個数: 144

約数和(自身を含む): 572261760

約数和(自身を除く): 367253600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 160, 196, 224, 245, 280, 316, 331, 392, 395, 490, 553, 560, 632, 662, 784, 790, 980, 1106, 1120, 1264, 1324, 1568, 1580, 1655, 1960, 2212, 2317, 2528, 2648, 2765, 3160, 3310, 3871, 3920, 4424, 4634, 5296, 5530, 6320, 6620, 7742, 7840, 8848, 9268, 10592, 11060, 11585, 12640, 13240, 15484, 16219, 17696, 18536, 19355, 22120, 23170, 26149, 26480, 30968, 32438, 37072, 38710, 44240, 46340, 52298, 52960, 61936, 64876, 74144, 77420, 81095, 88480, 92680, 104596, 123872, 129752, 130745, 154840, 162190, 183043, 185360, 209192, 259504, 261490, 309680, 324380, 366086, 370720, 418384, 519008, 522980, 619360, 648760, 732172, 836768, 915215, 1045960, 1281301, 1297520, 1464344, 1830430, 2091920, 2562602, 2595040, 2928688, 3660860, 4183840, 5125204, 5857376, 6406505, 7321720, 10250408, 12813010, 14643440, 20500816, 25626020, 29286880, 41001632, 51252040, 102504080, 205008160]

約数ペア:

[(1, 205008160), (2, 102504080), (4, 51252040), (5, 41001632), (7, 29286880), (8, 25626020), (10, 20500816), (14, 14643440), (16, 12813010), (20, 10250408), (28, 7321720), (32, 6406505), (35, 5857376), (40, 5125204), (49, 4183840), (56, 3660860), (70, 2928688), (79, 2595040), (80, 2562602), (98, 2091920), (112, 1830430), (140, 1464344), (158, 1297520), (160, 1281301), (196, 1045960), (224, 915215), (245, 836768), (280, 732172), (316, 648760), (331, 619360), (392, 522980), (395, 519008), (490, 418384), (553, 370720), (560, 366086), (632, 324380), (662, 309680), (784, 261490), (790, 259504), (980, 209192), (1106, 185360), (1120, 183043), (1264, 162190), (1324, 154840), (1568, 130745), (1580, 129752), (1655, 123872), (1960, 104596), (2212, 92680), (2317, 88480), (2528, 81095), (2648, 77420), (2765, 74144), (3160, 64876), (3310, 61936), (3871, 52960), (3920, 52298), (4424, 46340), (4634, 44240), (5296, 38710), (5530, 37072), (6320, 32438), (6620, 30968), (7742, 26480), (7840, 26149), (8848, 23170), (9268, 22120), (10592, 19355), (11060, 18536), (11585, 17696), (12640, 16219), (13240, 15484)]