1520120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 4017600

約数和(自身を除く): 2497480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 89, 122, 140, 178, 244, 280, 305, 356, 427, 445, 488, 610, 623, 712, 854, 890, 1220, 1246, 1708, 1780, 2135, 2440, 2492, 3115, 3416, 3560, 4270, 4984, 5429, 6230, 8540, 10858, 12460, 17080, 21716, 24920, 27145, 38003, 43432, 54290, 76006, 108580, 152012, 190015, 217160, 304024, 380030, 760060, 1520120]

約数ペア:

[(1, 1520120), (2, 760060), (4, 380030), (5, 304024), (7, 217160), (8, 190015), (10, 152012), (14, 108580), (20, 76006), (28, 54290), (35, 43432), (40, 38003), (56, 27145), (61, 24920), (70, 21716), (89, 17080), (122, 12460), (140, 10858), (178, 8540), (244, 6230), (280, 5429), (305, 4984), (356, 4270), (427, 3560), (445, 3416), (488, 3115), (610, 2492), (623, 2440), (712, 2135), (854, 1780), (890, 1708), (1220, 1246)]