161701960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 192

約数和(自身を含む): 469825920

約数和(自身を除く): 308123960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 49, 56, 68, 70, 85, 92, 98, 115, 119, 136, 140, 161, 170, 184, 196, 211, 230, 238, 245, 280, 322, 340, 391, 392, 422, 460, 476, 490, 595, 644, 680, 782, 805, 833, 844, 920, 952, 980, 1055, 1127, 1190, 1288, 1477, 1564, 1610, 1666, 1688, 1955, 1960, 2110, 2254, 2380, 2737, 2954, 3128, 3220, 3332, 3587, 3910, 4165, 4220, 4508, 4760, 4853, 5474, 5635, 5908, 6440, 6664, 7174, 7385, 7820, 8330, 8440, 9016, 9706, 10339, 10948, 11270, 11816, 13685, 14348, 14770, 15640, 16660, 17935, 19159, 19412, 20678, 21896, 22540, 24265, 25109, 27370, 28696, 29540, 33320, 33971, 35870, 38318, 38824, 41356, 45080, 48530, 50218, 51695, 54740, 59080, 67942, 71740, 76636, 82501, 82712, 95795, 97060, 100436, 103390, 109480, 125545, 135884, 143480, 153272, 165002, 169855, 175763, 191590, 194120, 200872, 206780, 237797, 251090, 271768, 330004, 339710, 351526, 383180, 412505, 413560, 475594, 502180, 577507, 660008, 679420, 703052, 766360, 825010, 878815, 951188, 1004360, 1155014, 1188985, 1358840, 1406104, 1650020, 1757630, 1902376, 2310028, 2377970, 2887535, 3300040, 3515260, 4042549, 4620056, 4755940, 5775070, 7030520, 8085098, 9511880, 11550140, 16170196, 20212745, 23100280, 32340392, 40425490, 80850980, 161701960]

約数ペア:

[(1, 161701960), (2, 80850980), (4, 40425490), (5, 32340392), (7, 23100280), (8, 20212745), (10, 16170196), (14, 11550140), (17, 9511880), (20, 8085098), (23, 7030520), (28, 5775070), (34, 4755940), (35, 4620056), (40, 4042549), (46, 3515260), (49, 3300040), (56, 2887535), (68, 2377970), (70, 2310028), (85, 1902376), (92, 1757630), (98, 1650020), (115, 1406104), (119, 1358840), (136, 1188985), (140, 1155014), (161, 1004360), (170, 951188), (184, 878815), (196, 825010), (211, 766360), (230, 703052), (238, 679420), (245, 660008), (280, 577507), (322, 502180), (340, 475594), (391, 413560), (392, 412505), (422, 383180), (460, 351526), (476, 339710), (490, 330004), (595, 271768), (644, 251090), (680, 237797), (782, 206780), (805, 200872), (833, 194120), (844, 191590), (920, 175763), (952, 169855), (980, 165002), (1055, 153272), (1127, 143480), (1190, 135884), (1288, 125545), (1477, 109480), (1564, 103390), (1610, 100436), (1666, 97060), (1688, 95795), (1955, 82712), (1960, 82501), (2110, 76636), (2254, 71740), (2380, 67942), (2737, 59080), (2954, 54740), (3128, 51695), (3220, 50218), (3332, 48530), (3587, 45080), (3910, 41356), (4165, 38824), (4220, 38318), (4508, 35870), (4760, 33971), (4853, 33320), (5474, 29540), (5635, 28696), (5908, 27370), (6440, 25109), (6664, 24265), (7174, 22540), (7385, 21896), (7820, 20678), (8330, 19412), (8440, 19159), (9016, 17935), (9706, 16660), (10339, 15640), (10948, 14770), (11270, 14348), (11816, 13685)]