1218450560

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{40507}}^1$

素因数の和:40573

約数の個数: 64

約数和(自身を含む): 2974907520

約数和(自身を除く): 1756456960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 3008, 3760, 6016, 7520, 15040, 30080, 40507, 81014, 162028, 202535, 324056, 405070, 648112, 810140, 1296224, 1620280, 1903829, 2592448, 3240560, 3807658, 5184896, 6481120, 7615316, 9519145, 12962240, 15230632, 19038290, 25924480, 30461264, 38076580, 60922528, 76153160, 121845056, 152306320, 243690112, 304612640, 609225280, 1218450560]

約数ペア:

[(1, 1218450560), (2, 609225280), (4, 304612640), (5, 243690112), (8, 152306320), (10, 121845056), (16, 76153160), (20, 60922528), (32, 38076580), (40, 30461264), (47, 25924480), (64, 19038290), (80, 15230632), (94, 12962240), (128, 9519145), (160, 7615316), (188, 6481120), (235, 5184896), (320, 3807658), (376, 3240560), (470, 2592448), (640, 1903829), (752, 1620280), (940, 1296224), (1504, 810140), (1880, 648112), (3008, 405070), (3760, 324056), (6016, 202535), (7520, 162028), (15040, 81014), (30080, 40507)]