73820120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 195955200

約数和(自身を除く): 122135080

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 71, 85, 88, 110, 136, 139, 142, 170, 187, 220, 278, 284, 340, 355, 374, 440, 556, 568, 680, 695, 710, 748, 781, 935, 1112, 1207, 1390, 1420, 1496, 1529, 1562, 1870, 2363, 2414, 2780, 2840, 3058, 3124, 3740, 3905, 4726, 4828, 5560, 6035, 6116, 6248, 7480, 7645, 7810, 9452, 9656, 9869, 11815, 12070, 12232, 13277, 15290, 15620, 18904, 19738, 23630, 24140, 25993, 26554, 30580, 31240, 39476, 47260, 48280, 49345, 51986, 53108, 61160, 66385, 78952, 94520, 98690, 103972, 106216, 108559, 129965, 132770, 167773, 197380, 207944, 217118, 259930, 265540, 335546, 394760, 434236, 519860, 531080, 542795, 671092, 838865, 868472, 1039720, 1085590, 1342184, 1677730, 1845503, 2171180, 3355460, 3691006, 4342360, 6710920, 7382012, 9227515, 14764024, 18455030, 36910060, 73820120]

約数ペア:

[(1, 73820120), (2, 36910060), (4, 18455030), (5, 14764024), (8, 9227515), (10, 7382012), (11, 6710920), (17, 4342360), (20, 3691006), (22, 3355460), (34, 2171180), (40, 1845503), (44, 1677730), (55, 1342184), (68, 1085590), (71, 1039720), (85, 868472), (88, 838865), (110, 671092), (136, 542795), (139, 531080), (142, 519860), (170, 434236), (187, 394760), (220, 335546), (278, 265540), (284, 259930), (340, 217118), (355, 207944), (374, 197380), (440, 167773), (556, 132770), (568, 129965), (680, 108559), (695, 106216), (710, 103972), (748, 98690), (781, 94520), (935, 78952), (1112, 66385), (1207, 61160), (1390, 53108), (1420, 51986), (1496, 49345), (1529, 48280), (1562, 47260), (1870, 39476), (2363, 31240), (2414, 30580), (2780, 26554), (2840, 25993), (3058, 24140), (3124, 23630), (3740, 19738), (3905, 18904), (4726, 15620), (4828, 15290), (5560, 13277), (6035, 12232), (6116, 12070), (6248, 11815), (7480, 9869), (7645, 9656), (7810, 9452)]