28275280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 75995136

約数和(自身を除く): 47719856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 121, 127, 176, 184, 220, 230, 242, 253, 254, 368, 440, 460, 484, 506, 508, 605, 635, 880, 920, 968, 1012, 1016, 1210, 1265, 1270, 1397, 1840, 1936, 2024, 2032, 2420, 2530, 2540, 2783, 2794, 2921, 4048, 4840, 5060, 5080, 5566, 5588, 5842, 6985, 9680, 10120, 10160, 11132, 11176, 11684, 13915, 13970, 14605, 15367, 20240, 22264, 22352, 23368, 27830, 27940, 29210, 30734, 32131, 44528, 46736, 55660, 55880, 58420, 61468, 64262, 76835, 111320, 111760, 116840, 122936, 128524, 153670, 160655, 222640, 233680, 245872, 257048, 307340, 321310, 353441, 514096, 614680, 642620, 706882, 1229360, 1285240, 1413764, 1767205, 2570480, 2827528, 3534410, 5655056, 7068820, 14137640, 28275280]

約数ペア:

[(1, 28275280), (2, 14137640), (4, 7068820), (5, 5655056), (8, 3534410), (10, 2827528), (11, 2570480), (16, 1767205), (20, 1413764), (22, 1285240), (23, 1229360), (40, 706882), (44, 642620), (46, 614680), (55, 514096), (80, 353441), (88, 321310), (92, 307340), (110, 257048), (115, 245872), (121, 233680), (127, 222640), (176, 160655), (184, 153670), (220, 128524), (230, 122936), (242, 116840), (253, 111760), (254, 111320), (368, 76835), (440, 64262), (460, 61468), (484, 58420), (506, 55880), (508, 55660), (605, 46736), (635, 44528), (880, 32131), (920, 30734), (968, 29210), (1012, 27940), (1016, 27830), (1210, 23368), (1265, 22352), (1270, 22264), (1397, 20240), (1840, 15367), (1936, 14605), (2024, 13970), (2032, 13915), (2420, 11684), (2530, 11176), (2540, 11132), (2783, 10160), (2794, 10120), (2921, 9680), (4048, 6985), (4840, 5842), (5060, 5588), (5080, 5566)]