240852640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1051

約数の個数: 144

約数和(自身を含む): 683956224

約数和(自身を除く): 443103584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 991, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 1982, 2170, 2480, 3038, 3472, 3920, 3964, 4340, 4955, 4960, 6076, 6937, 6944, 7595, 7840, 7928, 8680, 9910, 12152, 13874, 15190, 15856, 17360, 19820, 24304, 27748, 30380, 30721, 31712, 34685, 34720, 39640, 48559, 48608, 55496, 60760, 61442, 69370, 79280, 97118, 110992, 121520, 122884, 138740, 153605, 158560, 194236, 215047, 221984, 242795, 243040, 245768, 277480, 307210, 388472, 430094, 485590, 491536, 554960, 614420, 776944, 860188, 971180, 983072, 1075235, 1109920, 1228840, 1505329, 1553888, 1720376, 1942360, 2150470, 2457680, 3010658, 3440752, 3884720, 4300940, 4915360, 6021316, 6881504, 7526645, 7769440, 8601880, 12042632, 15053290, 17203760, 24085264, 30106580, 34407520, 48170528, 60213160, 120426320, 240852640]

約数ペア:

[(1, 240852640), (2, 120426320), (4, 60213160), (5, 48170528), (7, 34407520), (8, 30106580), (10, 24085264), (14, 17203760), (16, 15053290), (20, 12042632), (28, 8601880), (31, 7769440), (32, 7526645), (35, 6881504), (40, 6021316), (49, 4915360), (56, 4300940), (62, 3884720), (70, 3440752), (80, 3010658), (98, 2457680), (112, 2150470), (124, 1942360), (140, 1720376), (155, 1553888), (160, 1505329), (196, 1228840), (217, 1109920), (224, 1075235), (245, 983072), (248, 971180), (280, 860188), (310, 776944), (392, 614420), (434, 554960), (490, 491536), (496, 485590), (560, 430094), (620, 388472), (784, 307210), (868, 277480), (980, 245768), (991, 243040), (992, 242795), (1085, 221984), (1120, 215047), (1240, 194236), (1519, 158560), (1568, 153605), (1736, 138740), (1960, 122884), (1982, 121520), (2170, 110992), (2480, 97118), (3038, 79280), (3472, 69370), (3920, 61442), (3964, 60760), (4340, 55496), (4955, 48608), (4960, 48559), (6076, 39640), (6937, 34720), (6944, 34685), (7595, 31712), (7840, 30721), (7928, 30380), (8680, 27748), (9910, 24304), (12152, 19820), (13874, 17360), (15190, 15856)]