205355760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10831}}^1$

素因数の和:10926

約数の個数: 80

約数和(自身を含む): 644720640

約数和(自身を除く): 439364880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 9480, 10831, 18960, 21662, 32493, 43324, 54155, 64986, 86648, 108310, 129972, 162465, 173296, 216620, 259944, 324930, 433240, 519888, 649860, 855649, 866480, 1299720, 1711298, 2566947, 2599440, 3422596, 4278245, 5133894, 6845192, 8556490, 10267788, 12834735, 13690384, 17112980, 20535576, 25669470, 34225960, 41071152, 51338940, 68451920, 102677880, 205355760]

約数ペア:

[(1, 205355760), (2, 102677880), (3, 68451920), (4, 51338940), (5, 41071152), (6, 34225960), (8, 25669470), (10, 20535576), (12, 17112980), (15, 13690384), (16, 12834735), (20, 10267788), (24, 8556490), (30, 6845192), (40, 5133894), (48, 4278245), (60, 3422596), (79, 2599440), (80, 2566947), (120, 1711298), (158, 1299720), (237, 866480), (240, 855649), (316, 649860), (395, 519888), (474, 433240), (632, 324930), (790, 259944), (948, 216620), (1185, 173296), (1264, 162465), (1580, 129972), (1896, 108310), (2370, 86648), (3160, 64986), (3792, 54155), (4740, 43324), (6320, 32493), (9480, 21662), (10831, 18960)]