254428160

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:292

約数の個数: 176

約数和(自身を含む): 723164160

約数和(自身を除く): 468736000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 229, 248, 256, 280, 310, 320, 434, 448, 458, 496, 512, 560, 620, 640, 868, 896, 916, 992, 1024, 1085, 1120, 1145, 1240, 1280, 1603, 1736, 1792, 1832, 1984, 2170, 2240, 2290, 2480, 2560, 3206, 3472, 3584, 3664, 3968, 4340, 4480, 4580, 4960, 5120, 6412, 6944, 7099, 7168, 7328, 7936, 8015, 8680, 8960, 9160, 9920, 12824, 13888, 14198, 14656, 15872, 16030, 17360, 17920, 18320, 19840, 25648, 27776, 28396, 29312, 31744, 32060, 34720, 35495, 35840, 36640, 39680, 49693, 51296, 55552, 56792, 58624, 64120, 69440, 70990, 73280, 79360, 99386, 102592, 111104, 113584, 117248, 128240, 138880, 141980, 146560, 158720, 198772, 205184, 222208, 227168, 234496, 248465, 256480, 277760, 283960, 293120, 397544, 410368, 454336, 496930, 512960, 555520, 567920, 586240, 795088, 820736, 908672, 993860, 1025920, 1111040, 1135840, 1172480, 1590176, 1641472, 1817344, 1987720, 2051840, 2271680, 3180352, 3634688, 3975440, 4103680, 4543360, 6360704, 7269376, 7950880, 8207360, 9086720, 12721408, 15901760, 18173440, 25442816, 31803520, 36346880, 50885632, 63607040, 127214080, 254428160]

約数ペア:

[(1, 254428160), (2, 127214080), (4, 63607040), (5, 50885632), (7, 36346880), (8, 31803520), (10, 25442816), (14, 18173440), (16, 15901760), (20, 12721408), (28, 9086720), (31, 8207360), (32, 7950880), (35, 7269376), (40, 6360704), (56, 4543360), (62, 4103680), (64, 3975440), (70, 3634688), (80, 3180352), (112, 2271680), (124, 2051840), (128, 1987720), (140, 1817344), (155, 1641472), (160, 1590176), (217, 1172480), (224, 1135840), (229, 1111040), (248, 1025920), (256, 993860), (280, 908672), (310, 820736), (320, 795088), (434, 586240), (448, 567920), (458, 555520), (496, 512960), (512, 496930), (560, 454336), (620, 410368), (640, 397544), (868, 293120), (896, 283960), (916, 277760), (992, 256480), (1024, 248465), (1085, 234496), (1120, 227168), (1145, 222208), (1240, 205184), (1280, 198772), (1603, 158720), (1736, 146560), (1792, 141980), (1832, 138880), (1984, 128240), (2170, 117248), (2240, 113584), (2290, 111104), (2480, 102592), (2560, 99386), (3206, 79360), (3472, 73280), (3584, 70990), (3664, 69440), (3968, 64120), (4340, 58624), (4480, 56792), (4580, 55552), (4960, 51296), (5120, 49693), (6412, 39680), (6944, 36640), (7099, 35840), (7168, 35495), (7328, 34720), (7936, 32060), (8015, 31744), (8680, 29312), (8960, 28396), (9160, 27776), (9920, 25648), (12824, 19840), (13888, 18320), (14198, 17920), (14656, 17360), (15872, 16030)]