71887760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 203986944

約数和(自身を除く): 132099184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 41, 56, 62, 70, 80, 82, 101, 112, 124, 140, 155, 164, 202, 205, 217, 248, 280, 287, 310, 328, 404, 410, 434, 496, 505, 560, 574, 620, 656, 707, 808, 820, 868, 1010, 1085, 1148, 1240, 1271, 1414, 1435, 1616, 1640, 1736, 2020, 2170, 2296, 2480, 2542, 2828, 2870, 3131, 3280, 3472, 3535, 4040, 4141, 4340, 4592, 5084, 5656, 5740, 6262, 6355, 7070, 8080, 8282, 8680, 8897, 10168, 11312, 11480, 12524, 12710, 14140, 15655, 16564, 17360, 17794, 20336, 20705, 21917, 22960, 25048, 25420, 28280, 28987, 31310, 33128, 35588, 41410, 43834, 44485, 50096, 50840, 56560, 57974, 62620, 66256, 71176, 82820, 87668, 88970, 101680, 109585, 115948, 125240, 128371, 142352, 144935, 165640, 175336, 177940, 219170, 231896, 250480, 256742, 289870, 331280, 350672, 355880, 438340, 463792, 513484, 579740, 641855, 711760, 876680, 898597, 1026968, 1159480, 1283710, 1753360, 1797194, 2053936, 2318960, 2567420, 3594388, 4492985, 5134840, 7188776, 8985970, 10269680, 14377552, 17971940, 35943880, 71887760]

約数ペア:

[(1, 71887760), (2, 35943880), (4, 17971940), (5, 14377552), (7, 10269680), (8, 8985970), (10, 7188776), (14, 5134840), (16, 4492985), (20, 3594388), (28, 2567420), (31, 2318960), (35, 2053936), (40, 1797194), (41, 1753360), (56, 1283710), (62, 1159480), (70, 1026968), (80, 898597), (82, 876680), (101, 711760), (112, 641855), (124, 579740), (140, 513484), (155, 463792), (164, 438340), (202, 355880), (205, 350672), (217, 331280), (248, 289870), (280, 256742), (287, 250480), (310, 231896), (328, 219170), (404, 177940), (410, 175336), (434, 165640), (496, 144935), (505, 142352), (560, 128371), (574, 125240), (620, 115948), (656, 109585), (707, 101680), (808, 88970), (820, 87668), (868, 82820), (1010, 71176), (1085, 66256), (1148, 62620), (1240, 57974), (1271, 56560), (1414, 50840), (1435, 50096), (1616, 44485), (1640, 43834), (1736, 41410), (2020, 35588), (2170, 33128), (2296, 31310), (2480, 28987), (2542, 28280), (2828, 25420), (2870, 25048), (3131, 22960), (3280, 21917), (3472, 20705), (3535, 20336), (4040, 17794), (4141, 17360), (4340, 16564), (4592, 15655), (5084, 14140), (5656, 12710), (5740, 12524), (6262, 11480), (6355, 11312), (7070, 10168), (8080, 8897), (8282, 8680)]