30987440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1578

約数の個数: 80

約数和(自身を含む): 82066176

約数和(自身を除く): 51078736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1531, 1840, 2024, 2530, 3062, 4048, 5060, 6124, 7655, 10120, 12248, 15310, 16841, 20240, 24496, 30620, 33682, 35213, 61240, 67364, 70426, 84205, 122480, 134728, 140852, 168410, 176065, 269456, 281704, 336820, 352130, 387343, 563408, 673640, 704260, 774686, 1347280, 1408520, 1549372, 1936715, 2817040, 3098744, 3873430, 6197488, 7746860, 15493720, 30987440]

約数ペア:

[(1, 30987440), (2, 15493720), (4, 7746860), (5, 6197488), (8, 3873430), (10, 3098744), (11, 2817040), (16, 1936715), (20, 1549372), (22, 1408520), (23, 1347280), (40, 774686), (44, 704260), (46, 673640), (55, 563408), (80, 387343), (88, 352130), (92, 336820), (110, 281704), (115, 269456), (176, 176065), (184, 168410), (220, 140852), (230, 134728), (253, 122480), (368, 84205), (440, 70426), (460, 67364), (506, 61240), (880, 35213), (920, 33682), (1012, 30620), (1265, 24496), (1531, 20240), (1840, 16841), (2024, 15310), (2530, 12248), (3062, 10120), (4048, 7655), (5060, 6124)]