161140280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:481

約数の個数: 128

約数和(自身を含む): 444528000

約数和(自身を除く): 283387720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 97, 119, 136, 140, 170, 194, 238, 280, 340, 349, 388, 476, 485, 595, 679, 680, 698, 776, 952, 970, 1190, 1358, 1396, 1649, 1745, 1940, 2380, 2443, 2716, 2792, 3298, 3395, 3490, 3880, 4760, 4886, 5432, 5933, 6596, 6790, 6980, 8245, 9772, 11543, 11866, 12215, 13192, 13580, 13960, 16490, 19544, 23086, 23732, 24430, 27160, 29665, 32980, 33853, 41531, 46172, 47464, 48860, 57715, 59330, 65960, 67706, 83062, 92344, 97720, 115430, 118660, 135412, 166124, 169265, 207655, 230860, 236971, 237320, 270824, 332248, 338530, 415310, 461720, 473942, 575501, 677060, 830620, 947884, 1151002, 1184855, 1354120, 1661240, 1895768, 2302004, 2369710, 2877505, 4028507, 4604008, 4739420, 5755010, 8057014, 9478840, 11510020, 16114028, 20142535, 23020040, 32228056, 40285070, 80570140, 161140280]

約数ペア:

[(1, 161140280), (2, 80570140), (4, 40285070), (5, 32228056), (7, 23020040), (8, 20142535), (10, 16114028), (14, 11510020), (17, 9478840), (20, 8057014), (28, 5755010), (34, 4739420), (35, 4604008), (40, 4028507), (56, 2877505), (68, 2369710), (70, 2302004), (85, 1895768), (97, 1661240), (119, 1354120), (136, 1184855), (140, 1151002), (170, 947884), (194, 830620), (238, 677060), (280, 575501), (340, 473942), (349, 461720), (388, 415310), (476, 338530), (485, 332248), (595, 270824), (679, 237320), (680, 236971), (698, 230860), (776, 207655), (952, 169265), (970, 166124), (1190, 135412), (1358, 118660), (1396, 115430), (1649, 97720), (1745, 92344), (1940, 83062), (2380, 67706), (2443, 65960), (2716, 59330), (2792, 57715), (3298, 48860), (3395, 47464), (3490, 46172), (3880, 41531), (4760, 33853), (4886, 32980), (5432, 29665), (5933, 27160), (6596, 24430), (6790, 23732), (6980, 23086), (8245, 19544), (9772, 16490), (11543, 13960), (11866, 13580), (12215, 13192)]