121180280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{587}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 294870240

約数和(自身を除く): 173689960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 397, 520, 587, 794, 1174, 1588, 1985, 2348, 2935, 3176, 3970, 4696, 5161, 5870, 7631, 7940, 10322, 11740, 15262, 15880, 20644, 23480, 25805, 30524, 38155, 41288, 51610, 61048, 76310, 103220, 152620, 206440, 233039, 305240, 466078, 932156, 1165195, 1864312, 2330390, 3029507, 4660780, 6059014, 9321560, 12118028, 15147535, 24236056, 30295070, 60590140, 121180280]

約数ペア:

[(1, 121180280), (2, 60590140), (4, 30295070), (5, 24236056), (8, 15147535), (10, 12118028), (13, 9321560), (20, 6059014), (26, 4660780), (40, 3029507), (52, 2330390), (65, 1864312), (104, 1165195), (130, 932156), (260, 466078), (397, 305240), (520, 233039), (587, 206440), (794, 152620), (1174, 103220), (1588, 76310), (1985, 61048), (2348, 51610), (2935, 41288), (3176, 38155), (3970, 30524), (4696, 25805), (5161, 23480), (5870, 20644), (7631, 15880), (7940, 15262), (10322, 11740)]