217500720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53309}}^1$

素因数の和:53342

約数の個数: 80

約数和(自身を含む): 713927520

約数和(自身を除く): 496426800

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, 53309, 106618, 159927, 213236, 266545, 319854, 426472, 533090, 639708, 799635, 852944, 906253, 1066180, 1279416, 1599270, 1812506, 2132360, 2558832, 2718759, 3198540, 3625012, 4264720, 4531265, 5437518, 6397080, 7250024, 9062530, 10875036, 12794160, 13593795, 14500048, 18125060, 21750072, 27187590, 36250120, 43500144, 54375180, 72500240, 108750360, 217500720]

約数ペア:

[(1, 217500720), (2, 108750360), (3, 72500240), (4, 54375180), (5, 43500144), (6, 36250120), (8, 27187590), (10, 21750072), (12, 18125060), (15, 14500048), (16, 13593795), (17, 12794160), (20, 10875036), (24, 9062530), (30, 7250024), (34, 6397080), (40, 5437518), (48, 4531265), (51, 4264720), (60, 3625012), (68, 3198540), (80, 2718759), (85, 2558832), (102, 2132360), (120, 1812506), (136, 1599270), (170, 1279416), (204, 1066180), (240, 906253), (255, 852944), (272, 799635), (340, 639708), (408, 533090), (510, 426472), (680, 319854), (816, 266545), (1020, 213236), (1360, 159927), (2040, 106618), (4080, 53309)]