18887400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{1499}}^1$

素因数の和:1528

約数の個数: 144

約数和(自身を含む): 72540000

約数和(自身を除く): 53652600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1499, 1575, 1800, 2100, 2520, 2998, 3150, 4200, 4497, 5996, 6300, 7495, 8994, 10493, 11992, 12600, 13491, 14990, 17988, 20986, 22485, 26982, 29980, 31479, 35976, 37475, 41972, 44970, 52465, 53964, 59960, 62958, 67455, 74950, 83944, 89940, 94437, 104930, 107928, 112425, 125916, 134910, 149900, 157395, 179880, 188874, 209860, 224850, 251832, 262325, 269820, 299800, 314790, 337275, 377748, 419720, 449700, 472185, 524650, 539640, 629580, 674550, 755496, 786975, 899400, 944370, 1049300, 1259160, 1349100, 1573950, 1888740, 2098600, 2360925, 2698200, 3147900, 3777480, 4721850, 6295800, 9443700, 18887400]

約数ペア:

[(1, 18887400), (2, 9443700), (3, 6295800), (4, 4721850), (5, 3777480), (6, 3147900), (7, 2698200), (8, 2360925), (9, 2098600), (10, 1888740), (12, 1573950), (14, 1349100), (15, 1259160), (18, 1049300), (20, 944370), (21, 899400), (24, 786975), (25, 755496), (28, 674550), (30, 629580), (35, 539640), (36, 524650), (40, 472185), (42, 449700), (45, 419720), (50, 377748), (56, 337275), (60, 314790), (63, 299800), (70, 269820), (72, 262325), (75, 251832), (84, 224850), (90, 209860), (100, 188874), (105, 179880), (120, 157395), (126, 149900), (140, 134910), (150, 125916), (168, 112425), (175, 107928), (180, 104930), (200, 94437), (210, 89940), (225, 83944), (252, 74950), (280, 67455), (300, 62958), (315, 59960), (350, 53964), (360, 52465), (420, 44970), (450, 41972), (504, 37475), (525, 35976), (600, 31479), (630, 29980), (700, 26982), (840, 22485), (900, 20986), (1050, 17988), (1260, 14990), (1400, 13491), (1499, 12600), (1575, 11992), (1800, 10493), (2100, 8994), (2520, 7495), (2998, 6300), (3150, 5996), (4200, 4497)]