445249280

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:295

約数の個数: 216

約数和(自身を含む): 1286248320

約数和(自身を除く): 840999040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 229, 245, 248, 256, 280, 310, 320, 392, 434, 448, 458, 490, 496, 560, 620, 640, 784, 868, 896, 916, 980, 992, 1085, 1120, 1145, 1240, 1280, 1519, 1568, 1603, 1736, 1792, 1832, 1960, 1984, 2170, 2240, 2290, 2480, 3038, 3136, 3206, 3472, 3664, 3920, 3968, 4340, 4480, 4580, 4960, 6076, 6272, 6412, 6944, 7099, 7328, 7595, 7840, 7936, 8015, 8680, 8960, 9160, 9920, 11221, 12152, 12544, 12824, 13888, 14198, 14656, 15190, 15680, 16030, 17360, 18320, 19840, 22442, 24304, 25648, 27776, 28396, 29312, 30380, 31360, 32060, 34720, 35495, 36640, 39680, 44884, 48608, 49693, 51296, 55552, 56105, 56792, 58624, 60760, 62720, 64120, 69440, 70990, 73280, 89768, 97216, 99386, 102592, 112210, 113584, 121520, 128240, 138880, 141980, 146560, 179536, 194432, 198772, 205184, 224420, 227168, 243040, 248465, 256480, 277760, 283960, 293120, 347851, 359072, 388864, 397544, 410368, 448840, 454336, 486080, 496930, 512960, 567920, 695702, 718144, 795088, 897680, 908672, 972160, 993860, 1025920, 1135840, 1391404, 1436288, 1590176, 1739255, 1795360, 1817344, 1944320, 1987720, 2051840, 2271680, 2782808, 2872576, 3180352, 3478510, 3590720, 3975440, 4543360, 5565616, 6360704, 6957020, 7181440, 7950880, 9086720, 11131232, 12721408, 13914040, 14362880, 15901760, 22262464, 27828080, 31803520, 44524928, 55656160, 63607040, 89049856, 111312320, 222624640, 445249280]

約数ペア:

[(1, 445249280), (2, 222624640), (4, 111312320), (5, 89049856), (7, 63607040), (8, 55656160), (10, 44524928), (14, 31803520), (16, 27828080), (20, 22262464), (28, 15901760), (31, 14362880), (32, 13914040), (35, 12721408), (40, 11131232), (49, 9086720), (56, 7950880), (62, 7181440), (64, 6957020), (70, 6360704), (80, 5565616), (98, 4543360), (112, 3975440), (124, 3590720), (128, 3478510), (140, 3180352), (155, 2872576), (160, 2782808), (196, 2271680), (217, 2051840), (224, 1987720), (229, 1944320), (245, 1817344), (248, 1795360), (256, 1739255), (280, 1590176), (310, 1436288), (320, 1391404), (392, 1135840), (434, 1025920), (448, 993860), (458, 972160), (490, 908672), (496, 897680), (560, 795088), (620, 718144), (640, 695702), (784, 567920), (868, 512960), (896, 496930), (916, 486080), (980, 454336), (992, 448840), (1085, 410368), (1120, 397544), (1145, 388864), (1240, 359072), (1280, 347851), (1519, 293120), (1568, 283960), (1603, 277760), (1736, 256480), (1792, 248465), (1832, 243040), (1960, 227168), (1984, 224420), (2170, 205184), (2240, 198772), (2290, 194432), (2480, 179536), (3038, 146560), (3136, 141980), (3206, 138880), (3472, 128240), (3664, 121520), (3920, 113584), (3968, 112210), (4340, 102592), (4480, 99386), (4580, 97216), (4960, 89768), (6076, 73280), (6272, 70990), (6412, 69440), (6944, 64120), (7099, 62720), (7328, 60760), (7595, 58624), (7840, 56792), (7936, 56105), (8015, 55552), (8680, 51296), (8960, 49693), (9160, 48608), (9920, 44884), (11221, 39680), (12152, 36640), (12544, 35495), (12824, 34720), (13888, 32060), (14198, 31360), (14656, 30380), (15190, 29312), (15680, 28396), (16030, 27776), (17360, 25648), (18320, 24304), (19840, 22442)]