27746720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^2$

素因数の和:234

約数の個数: 72

約数和(自身を含む): 70101612

約数和(自身を除く): 42354892

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 101, 136, 160, 170, 202, 272, 340, 404, 505, 544, 680, 808, 1010, 1360, 1616, 1717, 2020, 2720, 3232, 3434, 4040, 6868, 8080, 8585, 10201, 13736, 16160, 17170, 20402, 27472, 34340, 40804, 51005, 54944, 68680, 81608, 102010, 137360, 163216, 173417, 204020, 274720, 326432, 346834, 408040, 693668, 816080, 867085, 1387336, 1632160, 1734170, 2774672, 3468340, 5549344, 6936680, 13873360, 27746720]

約数ペア:

[(1, 27746720), (2, 13873360), (4, 6936680), (5, 5549344), (8, 3468340), (10, 2774672), (16, 1734170), (17, 1632160), (20, 1387336), (32, 867085), (34, 816080), (40, 693668), (68, 408040), (80, 346834), (85, 326432), (101, 274720), (136, 204020), (160, 173417), (170, 163216), (202, 137360), (272, 102010), (340, 81608), (404, 68680), (505, 54944), (544, 51005), (680, 40804), (808, 34340), (1010, 27472), (1360, 20402), (1616, 17170), (1717, 16160), (2020, 13736), (2720, 10201), (3232, 8585), (3434, 8080), (4040, 6868)]