278156720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:327

約数の個数: 120

約数和(自身を含む): 703039824

約数和(自身を除く): 424883104

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 53, 68, 80, 85, 106, 136, 170, 212, 227, 265, 272, 289, 340, 424, 454, 530, 578, 680, 848, 901, 908, 1060, 1135, 1156, 1360, 1445, 1802, 1816, 2120, 2270, 2312, 2890, 3604, 3632, 3859, 4240, 4505, 4540, 4624, 5780, 7208, 7718, 9010, 9080, 11560, 12031, 14416, 15317, 15436, 18020, 18160, 19295, 23120, 24062, 30634, 30872, 36040, 38590, 48124, 60155, 61268, 61744, 65603, 72080, 76585, 77180, 96248, 120310, 122536, 131206, 153170, 154360, 192496, 204527, 240620, 245072, 262412, 306340, 308720, 328015, 409054, 481240, 524824, 612680, 656030, 818108, 962480, 1022635, 1049648, 1225360, 1312060, 1636216, 2045270, 2624120, 3272432, 3476959, 4090540, 5248240, 6953918, 8181080, 13907836, 16362160, 17384795, 27815672, 34769590, 55631344, 69539180, 139078360, 278156720]

約数ペア:

[(1, 278156720), (2, 139078360), (4, 69539180), (5, 55631344), (8, 34769590), (10, 27815672), (16, 17384795), (17, 16362160), (20, 13907836), (34, 8181080), (40, 6953918), (53, 5248240), (68, 4090540), (80, 3476959), (85, 3272432), (106, 2624120), (136, 2045270), (170, 1636216), (212, 1312060), (227, 1225360), (265, 1049648), (272, 1022635), (289, 962480), (340, 818108), (424, 656030), (454, 612680), (530, 524824), (578, 481240), (680, 409054), (848, 328015), (901, 308720), (908, 306340), (1060, 262412), (1135, 245072), (1156, 240620), (1360, 204527), (1445, 192496), (1802, 154360), (1816, 153170), (2120, 131206), (2270, 122536), (2312, 120310), (2890, 96248), (3604, 77180), (3632, 76585), (3859, 72080), (4240, 65603), (4505, 61744), (4540, 61268), (4624, 60155), (5780, 48124), (7208, 38590), (7718, 36040), (9010, 30872), (9080, 30634), (11560, 24062), (12031, 23120), (14416, 19295), (15317, 18160), (15436, 18020)]