156920720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7753}}^1$

素因数の和:7800

約数の個数: 80

約数和(自身を含む): 415366272

約数和(自身を除く): 258445552

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, 1840, 2024, 2530, 4048, 5060, 7753, 10120, 15506, 20240, 31012, 38765, 62024, 77530, 85283, 124048, 155060, 170566, 178319, 310120, 341132, 356638, 426415, 620240, 682264, 713276, 852830, 891595, 1364528, 1426552, 1705660, 1783190, 1961509, 2853104, 3411320, 3566380, 3923018, 6822640, 7132760, 7846036, 9807545, 14265520, 15692072, 19615090, 31384144, 39230180, 78460360, 156920720]

約数ペア:

[(1, 156920720), (2, 78460360), (4, 39230180), (5, 31384144), (8, 19615090), (10, 15692072), (11, 14265520), (16, 9807545), (20, 7846036), (22, 7132760), (23, 6822640), (40, 3923018), (44, 3566380), (46, 3411320), (55, 2853104), (80, 1961509), (88, 1783190), (92, 1705660), (110, 1426552), (115, 1364528), (176, 891595), (184, 852830), (220, 713276), (230, 682264), (253, 620240), (368, 426415), (440, 356638), (460, 341132), (506, 310120), (880, 178319), (920, 170566), (1012, 155060), (1265, 124048), (1840, 85283), (2024, 77530), (2530, 62024), (4048, 38765), (5060, 31012), (7753, 20240), (10120, 15506)]