312483780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:599

約数の個数: 216

約数和(自身を含む): 1120392000

約数和(自身を除く): 807908220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 71, 84, 90, 98, 105, 126, 140, 142, 147, 180, 196, 210, 213, 245, 252, 284, 294, 315, 355, 420, 426, 441, 490, 497, 499, 588, 630, 639, 710, 735, 852, 882, 980, 994, 998, 1065, 1260, 1278, 1420, 1470, 1491, 1497, 1764, 1988, 1996, 2130, 2205, 2485, 2495, 2556, 2940, 2982, 2994, 3195, 3479, 3493, 4260, 4410, 4473, 4491, 4970, 4990, 5964, 5988, 6390, 6958, 6986, 7455, 7485, 8820, 8946, 8982, 9940, 9980, 10437, 10479, 12780, 13916, 13972, 14910, 14970, 17395, 17465, 17892, 17964, 20874, 20958, 22365, 22455, 24451, 29820, 29940, 31311, 31437, 34790, 34930, 35429, 41748, 41916, 44730, 44910, 48902, 52185, 52395, 62622, 62874, 69580, 69860, 70858, 73353, 89460, 89820, 97804, 104370, 104790, 106287, 122255, 125244, 125748, 141716, 146706, 156555, 157185, 177145, 208740, 209580, 212574, 220059, 244510, 248003, 293412, 313110, 314370, 318861, 354290, 366765, 425148, 440118, 489020, 496006, 531435, 626220, 628740, 637722, 708580, 733530, 744009, 880236, 992012, 1062870, 1100295, 1240015, 1275444, 1467060, 1488018, 1594305, 1736021, 2125740, 2200590, 2232027, 2480030, 2976036, 3188610, 3472042, 3720045, 4401180, 4464054, 4960060, 5208063, 6377220, 6944084, 7440090, 8680105, 8928108, 10416126, 11160135, 14880180, 15624189, 17360210, 20832252, 22320270, 26040315, 31248378, 34720420, 44640540, 52080630, 62496756, 78120945, 104161260, 156241890, 312483780]

約数ペア:

[(1, 312483780), (2, 156241890), (3, 104161260), (4, 78120945), (5, 62496756), (6, 52080630), (7, 44640540), (9, 34720420), (10, 31248378), (12, 26040315), (14, 22320270), (15, 20832252), (18, 17360210), (20, 15624189), (21, 14880180), (28, 11160135), (30, 10416126), (35, 8928108), (36, 8680105), (42, 7440090), (45, 6944084), (49, 6377220), (60, 5208063), (63, 4960060), (70, 4464054), (71, 4401180), (84, 3720045), (90, 3472042), (98, 3188610), (105, 2976036), (126, 2480030), (140, 2232027), (142, 2200590), (147, 2125740), (180, 1736021), (196, 1594305), (210, 1488018), (213, 1467060), (245, 1275444), (252, 1240015), (284, 1100295), (294, 1062870), (315, 992012), (355, 880236), (420, 744009), (426, 733530), (441, 708580), (490, 637722), (497, 628740), (499, 626220), (588, 531435), (630, 496006), (639, 489020), (710, 440118), (735, 425148), (852, 366765), (882, 354290), (980, 318861), (994, 314370), (998, 313110), (1065, 293412), (1260, 248003), (1278, 244510), (1420, 220059), (1470, 212574), (1491, 209580), (1497, 208740), (1764, 177145), (1988, 157185), (1996, 156555), (2130, 146706), (2205, 141716), (2485, 125748), (2495, 125244), (2556, 122255), (2940, 106287), (2982, 104790), (2994, 104370), (3195, 97804), (3479, 89820), (3493, 89460), (4260, 73353), (4410, 70858), (4473, 69860), (4491, 69580), (4970, 62874), (4990, 62622), (5964, 52395), (5988, 52185), (6390, 48902), (6958, 44910), (6986, 44730), (7455, 41916), (7485, 41748), (8820, 35429), (8946, 34930), (8982, 34790), (9940, 31437), (9980, 31311), (10437, 29940), (10479, 29820), (12780, 24451), (13916, 22455), (13972, 22365), (14910, 20958), (14970, 20874), (17395, 17964), (17465, 17892)]