1287937680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{315671}}^1$

素因数の和:315704

約数の個数: 80

約数和(自身を含む): 4227479424

約数和(自身を除く): 2939541744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 315671, 631342, 947013, 1262684, 1578355, 1894026, 2525368, 3156710, 3788052, 4735065, 5050736, 5366407, 6313420, 7576104, 9470130, 10732814, 12626840, 15152208, 16099221, 18940260, 21465628, 25253680, 26832035, 32198442, 37880520, 42931256, 53664070, 64396884, 75761040, 80496105, 85862512, 107328140, 128793768, 160992210, 214656280, 257587536, 321984420, 429312560, 643968840, 1287937680]

約数ペア:

[(1, 1287937680), (2, 643968840), (3, 429312560), (4, 321984420), (5, 257587536), (6, 214656280), (8, 160992210), (10, 128793768), (12, 107328140), (15, 85862512), (16, 80496105), (17, 75761040), (20, 64396884), (24, 53664070), (30, 42931256), (34, 37880520), (40, 32198442), (48, 26832035), (51, 25253680), (60, 21465628), (68, 18940260), (80, 16099221), (85, 15152208), (102, 12626840), (120, 10732814), (136, 9470130), (170, 7576104), (204, 6313420), (240, 5366407), (255, 5050736), (272, 4735065), (340, 3788052), (408, 3156710), (510, 2525368), (680, 1894026), (816, 1578355), (1020, 1262684), (1360, 947013), (2040, 631342), (4080, 315671)]