87998120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 192

約数和(自身を含む): 258552000

約数和(自身を除く): 170553880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 49, 56, 68, 70, 76, 85, 95, 98, 119, 133, 136, 139, 140, 152, 170, 190, 196, 238, 245, 266, 278, 280, 323, 340, 380, 392, 476, 490, 532, 556, 595, 646, 665, 680, 695, 760, 833, 931, 952, 973, 980, 1064, 1112, 1190, 1292, 1330, 1390, 1615, 1666, 1862, 1946, 1960, 2261, 2363, 2380, 2584, 2641, 2660, 2780, 3230, 3332, 3724, 3892, 4165, 4522, 4655, 4726, 4760, 4865, 5282, 5320, 5560, 6460, 6664, 6811, 7448, 7784, 8330, 9044, 9310, 9452, 9730, 10564, 11305, 11815, 12920, 13205, 13622, 15827, 16541, 16660, 18088, 18487, 18620, 18904, 19460, 21128, 22610, 23630, 26410, 27244, 31654, 33082, 33320, 34055, 36974, 37240, 38920, 44897, 45220, 47260, 52820, 54488, 63308, 66164, 68110, 73948, 79135, 82705, 89794, 90440, 92435, 94520, 105640, 115787, 126616, 129409, 132328, 136220, 147896, 158270, 165410, 179588, 184870, 224485, 231574, 258818, 272440, 314279, 316540, 330820, 359176, 369740, 448970, 463148, 517636, 578935, 628558, 633080, 647045, 661640, 739480, 897940, 926296, 1035272, 1157870, 1257116, 1294090, 1571395, 1795880, 2199953, 2315740, 2514232, 2588180, 3142790, 4399906, 4631480, 5176360, 6285580, 8799812, 10999765, 12571160, 17599624, 21999530, 43999060, 87998120]

約数ペア:

[(1, 87998120), (2, 43999060), (4, 21999530), (5, 17599624), (7, 12571160), (8, 10999765), (10, 8799812), (14, 6285580), (17, 5176360), (19, 4631480), (20, 4399906), (28, 3142790), (34, 2588180), (35, 2514232), (38, 2315740), (40, 2199953), (49, 1795880), (56, 1571395), (68, 1294090), (70, 1257116), (76, 1157870), (85, 1035272), (95, 926296), (98, 897940), (119, 739480), (133, 661640), (136, 647045), (139, 633080), (140, 628558), (152, 578935), (170, 517636), (190, 463148), (196, 448970), (238, 369740), (245, 359176), (266, 330820), (278, 316540), (280, 314279), (323, 272440), (340, 258818), (380, 231574), (392, 224485), (476, 184870), (490, 179588), (532, 165410), (556, 158270), (595, 147896), (646, 136220), (665, 132328), (680, 129409), (695, 126616), (760, 115787), (833, 105640), (931, 94520), (952, 92435), (973, 90440), (980, 89794), (1064, 82705), (1112, 79135), (1190, 73948), (1292, 68110), (1330, 66164), (1390, 63308), (1615, 54488), (1666, 52820), (1862, 47260), (1946, 45220), (1960, 44897), (2261, 38920), (2363, 37240), (2380, 36974), (2584, 34055), (2641, 33320), (2660, 33082), (2780, 31654), (3230, 27244), (3332, 26410), (3724, 23630), (3892, 22610), (4165, 21128), (4522, 19460), (4655, 18904), (4726, 18620), (4760, 18487), (4865, 18088), (5282, 16660), (5320, 16541), (5560, 15827), (6460, 13622), (6664, 13205), (6811, 12920), (7448, 11815), (7784, 11305), (8330, 10564), (9044, 9730), (9310, 9452)]