1380720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 4678272

約数和(自身を除く): 3297552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 523, 528, 660, 880, 1046, 1320, 1569, 2092, 2615, 2640, 3138, 4184, 5230, 5753, 6276, 7845, 8368, 10460, 11506, 12552, 15690, 17259, 20920, 23012, 25104, 28765, 31380, 34518, 41840, 46024, 57530, 62760, 69036, 86295, 92048, 115060, 125520, 138072, 172590, 230120, 276144, 345180, 460240, 690360, 1380720]

約数ペア:

[(1, 1380720), (2, 690360), (3, 460240), (4, 345180), (5, 276144), (6, 230120), (8, 172590), (10, 138072), (11, 125520), (12, 115060), (15, 92048), (16, 86295), (20, 69036), (22, 62760), (24, 57530), (30, 46024), (33, 41840), (40, 34518), (44, 31380), (48, 28765), (55, 25104), (60, 23012), (66, 20920), (80, 17259), (88, 15690), (110, 12552), (120, 11506), (132, 10460), (165, 8368), (176, 7845), (220, 6276), (240, 5753), (264, 5230), (330, 4184), (440, 3138), (523, 2640), (528, 2615), (660, 2092), (880, 1569), (1046, 1320)]