27951440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1428

約数の個数: 80

約数和(自身を含む): 74030976

約数和(自身を除く): 46079536

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, 1381, 1840, 2024, 2530, 2762, 4048, 5060, 5524, 6905, 10120, 11048, 13810, 15191, 20240, 22096, 27620, 30382, 31763, 55240, 60764, 63526, 75955, 110480, 121528, 127052, 151910, 158815, 243056, 254104, 303820, 317630, 349393, 508208, 607640, 635260, 698786, 1215280, 1270520, 1397572, 1746965, 2541040, 2795144, 3493930, 5590288, 6987860, 13975720, 27951440]

約数ペア:

[(1, 27951440), (2, 13975720), (4, 6987860), (5, 5590288), (8, 3493930), (10, 2795144), (11, 2541040), (16, 1746965), (20, 1397572), (22, 1270520), (23, 1215280), (40, 698786), (44, 635260), (46, 607640), (55, 508208), (80, 349393), (88, 317630), (92, 303820), (110, 254104), (115, 243056), (176, 158815), (184, 151910), (220, 127052), (230, 121528), (253, 110480), (368, 75955), (440, 63526), (460, 60764), (506, 55240), (880, 31763), (920, 30382), (1012, 27620), (1265, 22096), (1381, 20240), (1840, 15191), (2024, 13810), (2530, 11048), (2762, 10120), (4048, 6905), (5060, 5524)]