68687220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 227985408

約数和(自身を除く): 159298188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 183, 196, 210, 244, 245, 294, 305, 366, 383, 420, 427, 490, 588, 610, 732, 735, 766, 854, 915, 980, 1149, 1220, 1281, 1470, 1532, 1708, 1830, 1915, 2135, 2298, 2562, 2681, 2940, 2989, 3660, 3830, 4270, 4596, 5124, 5362, 5745, 5978, 6405, 7660, 8043, 8540, 8967, 10724, 11490, 11956, 12810, 13405, 14945, 16086, 17934, 18767, 22980, 23363, 25620, 26810, 29890, 32172, 35868, 37534, 40215, 44835, 46726, 53620, 56301, 59780, 70089, 75068, 80430, 89670, 93452, 93835, 112602, 116815, 140178, 160860, 163541, 179340, 187670, 225204, 233630, 280356, 281505, 327082, 350445, 375340, 467260, 490623, 563010, 654164, 700890, 817705, 981246, 1126020, 1144787, 1401780, 1635410, 1962492, 2289574, 2453115, 3270820, 3434361, 4579148, 4906230, 5723935, 6868722, 9812460, 11447870, 13737444, 17171805, 22895740, 34343610, 68687220]

約数ペア:

[(1, 68687220), (2, 34343610), (3, 22895740), (4, 17171805), (5, 13737444), (6, 11447870), (7, 9812460), (10, 6868722), (12, 5723935), (14, 4906230), (15, 4579148), (20, 3434361), (21, 3270820), (28, 2453115), (30, 2289574), (35, 1962492), (42, 1635410), (49, 1401780), (60, 1144787), (61, 1126020), (70, 981246), (84, 817705), (98, 700890), (105, 654164), (122, 563010), (140, 490623), (147, 467260), (183, 375340), (196, 350445), (210, 327082), (244, 281505), (245, 280356), (294, 233630), (305, 225204), (366, 187670), (383, 179340), (420, 163541), (427, 160860), (490, 140178), (588, 116815), (610, 112602), (732, 93835), (735, 93452), (766, 89670), (854, 80430), (915, 75068), (980, 70089), (1149, 59780), (1220, 56301), (1281, 53620), (1470, 46726), (1532, 44835), (1708, 40215), (1830, 37534), (1915, 35868), (2135, 32172), (2298, 29890), (2562, 26810), (2681, 25620), (2940, 23363), (2989, 22980), (3660, 18767), (3830, 17934), (4270, 16086), (4596, 14945), (5124, 13405), (5362, 12810), (5745, 11956), (5978, 11490), (6405, 10724), (7660, 8967), (8043, 8540)]