279817440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11897}}^1$

素因数の和:11929

約数の個数: 144

約数和(自身を含む): 1025417232

約数和(自身を除く): 745599792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 11897, 23520, 23794, 35691, 47588, 59485, 71382, 83279, 95176, 118970, 142764, 166558, 178455, 190352, 237940, 249837, 285528, 333116, 356910, 380704, 416395, 475880, 499674, 571056, 582953, 666232, 713820, 832790, 951760, 999348, 1142112, 1165906, 1249185, 1332464, 1427640, 1665580, 1748859, 1903520, 1998696, 2331812, 2498370, 2664928, 2855280, 2914765, 3331160, 3497718, 3997392, 4663624, 4996740, 5710560, 5829530, 6662320, 6995436, 7994784, 8744295, 9327248, 9993480, 11659060, 13324640, 13990872, 17488590, 18654496, 19986960, 23318120, 27981744, 34977180, 39973920, 46636240, 55963488, 69954360, 93272480, 139908720, 279817440]

約数ペア:

[(1, 279817440), (2, 139908720), (3, 93272480), (4, 69954360), (5, 55963488), (6, 46636240), (7, 39973920), (8, 34977180), (10, 27981744), (12, 23318120), (14, 19986960), (15, 18654496), (16, 17488590), (20, 13990872), (21, 13324640), (24, 11659060), (28, 9993480), (30, 9327248), (32, 8744295), (35, 7994784), (40, 6995436), (42, 6662320), (48, 5829530), (49, 5710560), (56, 4996740), (60, 4663624), (70, 3997392), (80, 3497718), (84, 3331160), (96, 2914765), (98, 2855280), (105, 2664928), (112, 2498370), (120, 2331812), (140, 1998696), (147, 1903520), (160, 1748859), (168, 1665580), (196, 1427640), (210, 1332464), (224, 1249185), (240, 1165906), (245, 1142112), (280, 999348), (294, 951760), (336, 832790), (392, 713820), (420, 666232), (480, 582953), (490, 571056), (560, 499674), (588, 475880), (672, 416395), (735, 380704), (784, 356910), (840, 333116), (980, 285528), (1120, 249837), (1176, 237940), (1470, 190352), (1568, 178455), (1680, 166558), (1960, 142764), (2352, 118970), (2940, 95176), (3360, 83279), (3920, 71382), (4704, 59485), (5880, 47588), (7840, 35691), (11760, 23794), (11897, 23520)]