278382480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 240

約数和(自身を含む): 957474432

約数和(自身を除く): 679091952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 71, 80, 85, 93, 102, 120, 124, 136, 142, 155, 170, 186, 204, 213, 240, 248, 255, 272, 284, 310, 340, 355, 372, 408, 426, 465, 496, 510, 527, 568, 620, 680, 710, 744, 816, 852, 930, 961, 1020, 1054, 1065, 1136, 1207, 1240, 1360, 1420, 1488, 1581, 1704, 1860, 1922, 2040, 2108, 2130, 2201, 2414, 2480, 2635, 2840, 2883, 3162, 3408, 3621, 3720, 3844, 4080, 4216, 4260, 4402, 4805, 4828, 5270, 5680, 5766, 6035, 6324, 6603, 7242, 7440, 7688, 7905, 8432, 8520, 8804, 9610, 9656, 10540, 11005, 11532, 12070, 12648, 13206, 14415, 14484, 15376, 15810, 16337, 17040, 17608, 18105, 19220, 19312, 21080, 22010, 23064, 24140, 25296, 26412, 28830, 28968, 31620, 32674, 33015, 35216, 36210, 37417, 38440, 42160, 44020, 46128, 48280, 49011, 52824, 57660, 57936, 63240, 65348, 66030, 68231, 72420, 74834, 76880, 81685, 88040, 96560, 98022, 105648, 112251, 115320, 126480, 130696, 132060, 136462, 144840, 149668, 163370, 176080, 187085, 196044, 204693, 224502, 230640, 245055, 261392, 264120, 272924, 289680, 299336, 326740, 341155, 374170, 392088, 409386, 449004, 490110, 528240, 545848, 561255, 598672, 653480, 682310, 748340, 784176, 818772, 898008, 980220, 1023465, 1091696, 1122510, 1159927, 1306960, 1364620, 1496680, 1637544, 1796016, 1960440, 2046930, 2245020, 2319854, 2729240, 2993360, 3275088, 3479781, 3920880, 4093860, 4490040, 4639708, 5458480, 5799635, 6959562, 8187720, 8980080, 9279416, 11599270, 13919124, 16375440, 17398905, 18558832, 23198540, 27838248, 34797810, 46397080, 55676496, 69595620, 92794160, 139191240, 278382480]

約数ペア:

[(1, 278382480), (2, 139191240), (3, 92794160), (4, 69595620), (5, 55676496), (6, 46397080), (8, 34797810), (10, 27838248), (12, 23198540), (15, 18558832), (16, 17398905), (17, 16375440), (20, 13919124), (24, 11599270), (30, 9279416), (31, 8980080), (34, 8187720), (40, 6959562), (48, 5799635), (51, 5458480), (60, 4639708), (62, 4490040), (68, 4093860), (71, 3920880), (80, 3479781), (85, 3275088), (93, 2993360), (102, 2729240), (120, 2319854), (124, 2245020), (136, 2046930), (142, 1960440), (155, 1796016), (170, 1637544), (186, 1496680), (204, 1364620), (213, 1306960), (240, 1159927), (248, 1122510), (255, 1091696), (272, 1023465), (284, 980220), (310, 898008), (340, 818772), (355, 784176), (372, 748340), (408, 682310), (426, 653480), (465, 598672), (496, 561255), (510, 545848), (527, 528240), (568, 490110), (620, 449004), (680, 409386), (710, 392088), (744, 374170), (816, 341155), (852, 326740), (930, 299336), (961, 289680), (1020, 272924), (1054, 264120), (1065, 261392), (1136, 245055), (1207, 230640), (1240, 224502), (1360, 204693), (1420, 196044), (1488, 187085), (1581, 176080), (1704, 163370), (1860, 149668), (1922, 144840), (2040, 136462), (2108, 132060), (2130, 130696), (2201, 126480), (2414, 115320), (2480, 112251), (2635, 105648), (2840, 98022), (2883, 96560), (3162, 88040), (3408, 81685), (3621, 76880), (3720, 74834), (3844, 72420), (4080, 68231), (4216, 66030), (4260, 65348), (4402, 63240), (4805, 57936), (4828, 57660), (5270, 52824), (5680, 49011), (5766, 48280), (6035, 46128), (6324, 44020), (6603, 42160), (7242, 38440), (7440, 37417), (7688, 36210), (7905, 35216), (8432, 33015), (8520, 32674), (8804, 31620), (9610, 28968), (9656, 28830), (10540, 26412), (11005, 25296), (11532, 24140), (12070, 23064), (12648, 22010), (13206, 21080), (14415, 19312), (14484, 19220), (15376, 18105), (15810, 17608), (16337, 17040)]