1256346720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{290821}}^1$

素因数の和:290845

約数の個数: 96

約数和(自身を含む): 4397228640

約数和(自身を除く): 3140881920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 290821, 581642, 872463, 1163284, 1454105, 1744926, 2326568, 2617389, 2908210, 3489852, 4362315, 4653136, 5234778, 5816420, 6979704, 7852167, 8724630, 9306272, 10469556, 11632840, 13086945, 13959408, 15704334, 17449260, 20939112, 23265680, 26173890, 27918816, 31408668, 34898520, 39260835, 41878224, 46531360, 52347780, 62817336, 69797040, 78521670, 83756448, 104695560, 125634672, 139594080, 157043340, 209391120, 251269344, 314086680, 418782240, 628173360, 1256346720]

約数ペア:

[(1, 1256346720), (2, 628173360), (3, 418782240), (4, 314086680), (5, 251269344), (6, 209391120), (8, 157043340), (9, 139594080), (10, 125634672), (12, 104695560), (15, 83756448), (16, 78521670), (18, 69797040), (20, 62817336), (24, 52347780), (27, 46531360), (30, 41878224), (32, 39260835), (36, 34898520), (40, 31408668), (45, 27918816), (48, 26173890), (54, 23265680), (60, 20939112), (72, 17449260), (80, 15704334), (90, 13959408), (96, 13086945), (108, 11632840), (120, 10469556), (135, 9306272), (144, 8724630), (160, 7852167), (180, 6979704), (216, 5816420), (240, 5234778), (270, 4653136), (288, 4362315), (360, 3489852), (432, 2908210), (480, 2617389), (540, 2326568), (720, 1744926), (864, 1454105), (1080, 1163284), (1440, 872463), (2160, 581642), (4320, 290821)]