305661240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:558

約数の個数: 192

約数和(自身を含む): 1044576000

約数和(自身を除く): 738914760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 61, 62, 72, 90, 93, 120, 122, 124, 155, 180, 183, 186, 244, 248, 279, 305, 310, 360, 366, 372, 449, 465, 488, 549, 558, 610, 620, 732, 744, 898, 915, 930, 1098, 1116, 1220, 1240, 1347, 1395, 1464, 1796, 1830, 1860, 1891, 2196, 2232, 2245, 2440, 2694, 2745, 2790, 3592, 3660, 3720, 3782, 4041, 4392, 4490, 5388, 5490, 5580, 5673, 6735, 7320, 7564, 8082, 8980, 9455, 10776, 10980, 11160, 11346, 13470, 13919, 15128, 16164, 17019, 17960, 18910, 20205, 21960, 22692, 26940, 27389, 27838, 28365, 32328, 34038, 37820, 40410, 41757, 45384, 53880, 54778, 55676, 56730, 68076, 69595, 75640, 80820, 82167, 83514, 85095, 109556, 111352, 113460, 125271, 136152, 136945, 139190, 161640, 164334, 167028, 170190, 208785, 219112, 226920, 246501, 250542, 273890, 278380, 328668, 334056, 340380, 410835, 417570, 493002, 501084, 547780, 556760, 626355, 657336, 680760, 821670, 835140, 849059, 986004, 1002168, 1095560, 1232505, 1252710, 1643340, 1670280, 1698118, 1972008, 2465010, 2505420, 2547177, 3286680, 3396236, 4245295, 4930020, 5010840, 5094354, 6792472, 7641531, 8490590, 9860040, 10188708, 12735885, 15283062, 16981180, 20377416, 25471770, 30566124, 33962360, 38207655, 50943540, 61132248, 76415310, 101887080, 152830620, 305661240]

約数ペア:

[(1, 305661240), (2, 152830620), (3, 101887080), (4, 76415310), (5, 61132248), (6, 50943540), (8, 38207655), (9, 33962360), (10, 30566124), (12, 25471770), (15, 20377416), (18, 16981180), (20, 15283062), (24, 12735885), (30, 10188708), (31, 9860040), (36, 8490590), (40, 7641531), (45, 6792472), (60, 5094354), (61, 5010840), (62, 4930020), (72, 4245295), (90, 3396236), (93, 3286680), (120, 2547177), (122, 2505420), (124, 2465010), (155, 1972008), (180, 1698118), (183, 1670280), (186, 1643340), (244, 1252710), (248, 1232505), (279, 1095560), (305, 1002168), (310, 986004), (360, 849059), (366, 835140), (372, 821670), (449, 680760), (465, 657336), (488, 626355), (549, 556760), (558, 547780), (610, 501084), (620, 493002), (732, 417570), (744, 410835), (898, 340380), (915, 334056), (930, 328668), (1098, 278380), (1116, 273890), (1220, 250542), (1240, 246501), (1347, 226920), (1395, 219112), (1464, 208785), (1796, 170190), (1830, 167028), (1860, 164334), (1891, 161640), (2196, 139190), (2232, 136945), (2245, 136152), (2440, 125271), (2694, 113460), (2745, 111352), (2790, 109556), (3592, 85095), (3660, 83514), (3720, 82167), (3782, 80820), (4041, 75640), (4392, 69595), (4490, 68076), (5388, 56730), (5490, 55676), (5580, 54778), (5673, 53880), (6735, 45384), (7320, 41757), (7564, 40410), (8082, 37820), (8980, 34038), (9455, 32328), (10776, 28365), (10980, 27838), (11160, 27389), (11346, 26940), (13470, 22692), (13919, 21960), (15128, 20205), (16164, 18910), (17019, 17960)]