4427640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{251}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 16805880

約数和(自身を除く): 12378240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 251, 252, 280, 294, 315, 360, 392, 420, 441, 490, 502, 504, 588, 630, 735, 753, 840, 882, 980, 1004, 1176, 1255, 1260, 1470, 1506, 1757, 1764, 1960, 2008, 2205, 2259, 2510, 2520, 2940, 3012, 3514, 3528, 3765, 4410, 4518, 5020, 5271, 5880, 6024, 7028, 7530, 8785, 8820, 9036, 10040, 10542, 11295, 12299, 14056, 15060, 15813, 17570, 17640, 18072, 21084, 22590, 24598, 26355, 30120, 31626, 35140, 36897, 42168, 45180, 49196, 52710, 61495, 63252, 70280, 73794, 79065, 90360, 98392, 105420, 110691, 122990, 126504, 147588, 158130, 184485, 210840, 221382, 245980, 295176, 316260, 368970, 442764, 491960, 553455, 632520, 737940, 885528, 1106910, 1475880, 2213820, 4427640]

約数ペア:

[(1, 4427640), (2, 2213820), (3, 1475880), (4, 1106910), (5, 885528), (6, 737940), (7, 632520), (8, 553455), (9, 491960), (10, 442764), (12, 368970), (14, 316260), (15, 295176), (18, 245980), (20, 221382), (21, 210840), (24, 184485), (28, 158130), (30, 147588), (35, 126504), (36, 122990), (40, 110691), (42, 105420), (45, 98392), (49, 90360), (56, 79065), (60, 73794), (63, 70280), (70, 63252), (72, 61495), (84, 52710), (90, 49196), (98, 45180), (105, 42168), (120, 36897), (126, 35140), (140, 31626), (147, 30120), (168, 26355), (180, 24598), (196, 22590), (210, 21084), (245, 18072), (251, 17640), (252, 17570), (280, 15813), (294, 15060), (315, 14056), (360, 12299), (392, 11295), (420, 10542), (441, 10040), (490, 9036), (502, 8820), (504, 8785), (588, 7530), (630, 7028), (735, 6024), (753, 5880), (840, 5271), (882, 5020), (980, 4518), (1004, 4410), (1176, 3765), (1255, 3528), (1260, 3514), (1470, 3012), (1506, 2940), (1757, 2520), (1764, 2510), (1960, 2259), (2008, 2205)]