311406160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:813

約数の個数: 120

約数和(自身を含む): 810376704

約数和(自身を除く): 498970544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 169, 208, 248, 260, 310, 338, 403, 496, 520, 620, 676, 743, 806, 845, 1040, 1240, 1352, 1486, 1612, 1690, 2015, 2480, 2704, 2972, 3224, 3380, 3715, 4030, 5239, 5944, 6448, 6760, 7430, 8060, 9659, 10478, 11888, 13520, 14860, 16120, 19318, 20956, 23033, 26195, 29720, 32240, 38636, 41912, 46066, 48295, 52390, 59440, 77272, 83824, 92132, 96590, 104780, 115165, 125567, 154544, 184264, 193180, 209560, 230330, 251134, 299429, 368528, 386360, 419120, 460660, 502268, 598858, 627835, 772720, 921320, 1004536, 1197716, 1255670, 1497145, 1842640, 2009072, 2395432, 2511340, 2994290, 3892577, 4790864, 5022680, 5988580, 7785154, 10045360, 11977160, 15570308, 19462885, 23954320, 31140616, 38925770, 62281232, 77851540, 155703080, 311406160]

約数ペア:

[(1, 311406160), (2, 155703080), (4, 77851540), (5, 62281232), (8, 38925770), (10, 31140616), (13, 23954320), (16, 19462885), (20, 15570308), (26, 11977160), (31, 10045360), (40, 7785154), (52, 5988580), (62, 5022680), (65, 4790864), (80, 3892577), (104, 2994290), (124, 2511340), (130, 2395432), (155, 2009072), (169, 1842640), (208, 1497145), (248, 1255670), (260, 1197716), (310, 1004536), (338, 921320), (403, 772720), (496, 627835), (520, 598858), (620, 502268), (676, 460660), (743, 419120), (806, 386360), (845, 368528), (1040, 299429), (1240, 251134), (1352, 230330), (1486, 209560), (1612, 193180), (1690, 184264), (2015, 154544), (2480, 125567), (2704, 115165), (2972, 104780), (3224, 96590), (3380, 92132), (3715, 83824), (4030, 77272), (5239, 59440), (5944, 52390), (6448, 48295), (6760, 46066), (7430, 41912), (8060, 38636), (9659, 32240), (10478, 29720), (11888, 26195), (13520, 23033), (14860, 20956), (16120, 19318)]