19942768720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5659}}^1$

素因数の和:5746

約数の個数: 240

約数和(自身を含む): 57607027200

約数和(自身を除く): 37664258480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 35, 40, 49, 56, 58, 62, 70, 80, 98, 112, 116, 124, 140, 145, 155, 196, 203, 217, 232, 245, 248, 280, 290, 310, 392, 406, 434, 464, 490, 496, 560, 580, 620, 784, 812, 868, 899, 980, 1015, 1085, 1160, 1240, 1421, 1519, 1624, 1736, 1798, 1960, 2030, 2170, 2320, 2480, 2842, 3038, 3248, 3472, 3596, 3920, 4060, 4340, 4495, 5659, 5684, 6076, 6293, 7105, 7192, 7595, 8120, 8680, 8990, 11318, 11368, 12152, 12586, 14210, 14384, 15190, 16240, 17360, 17980, 22636, 22736, 24304, 25172, 28295, 28420, 30380, 31465, 35960, 39613, 44051, 45272, 50344, 56590, 56840, 60760, 62930, 71920, 79226, 88102, 90544, 100688, 113180, 113680, 121520, 125860, 158452, 164111, 175429, 176204, 198065, 220255, 226360, 251720, 277291, 316904, 328222, 350858, 352408, 396130, 440510, 452720, 503440, 554582, 633808, 656444, 701716, 704816, 792260, 820555, 877145, 881020, 1109164, 1148777, 1228003, 1312888, 1386455, 1403432, 1584520, 1641110, 1754290, 1762040, 2218328, 2297554, 2456006, 2625776, 2772910, 2806864, 3169040, 3282220, 3508580, 3524080, 4436656, 4595108, 4912012, 5087441, 5545820, 5743885, 6140015, 6564440, 7017160, 8041439, 8596021, 9190216, 9824024, 10174882, 11091640, 11487770, 12280030, 13128880, 14034320, 16082878, 17192042, 18380432, 19648048, 20349764, 22183280, 22975540, 24560060, 25437205, 32165756, 34384084, 35612087, 40207195, 40699528, 42980105, 45951080, 49120120, 50874410, 64331512, 68768168, 71224174, 80414390, 81399056, 85960210, 91902160, 98240240, 101748820, 128663024, 137536336, 142448348, 160828780, 171920420, 178060435, 203497640, 249284609, 284896696, 321657560, 343840840, 356120870, 406995280, 498569218, 569793392, 643315120, 687681680, 712241740, 997138436, 1246423045, 1424483480, 1994276872, 2492846090, 2848966960, 3988553744, 4985692180, 9971384360, 19942768720]

約数ペア:

[(1, 19942768720), (2, 9971384360), (4, 4985692180), (5, 3988553744), (7, 2848966960), (8, 2492846090), (10, 1994276872), (14, 1424483480), (16, 1246423045), (20, 997138436), (28, 712241740), (29, 687681680), (31, 643315120), (35, 569793392), (40, 498569218), (49, 406995280), (56, 356120870), (58, 343840840), (62, 321657560), (70, 284896696), (80, 249284609), (98, 203497640), (112, 178060435), (116, 171920420), (124, 160828780), (140, 142448348), (145, 137536336), (155, 128663024), (196, 101748820), (203, 98240240), (217, 91902160), (232, 85960210), (245, 81399056), (248, 80414390), (280, 71224174), (290, 68768168), (310, 64331512), (392, 50874410), (406, 49120120), (434, 45951080), (464, 42980105), (490, 40699528), (496, 40207195), (560, 35612087), (580, 34384084), (620, 32165756), (784, 25437205), (812, 24560060), (868, 22975540), (899, 22183280), (980, 20349764), (1015, 19648048), (1085, 18380432), (1160, 17192042), (1240, 16082878), (1421, 14034320), (1519, 13128880), (1624, 12280030), (1736, 11487770), (1798, 11091640), (1960, 10174882), (2030, 9824024), (2170, 9190216), (2320, 8596021), (2480, 8041439), (2842, 7017160), (3038, 6564440), (3248, 6140015), (3472, 5743885), (3596, 5545820), (3920, 5087441), (4060, 4912012), (4340, 4595108), (4495, 4436656), (5659, 3524080), (5684, 3508580), (6076, 3282220), (6293, 3169040), (7105, 2806864), (7192, 2772910), (7595, 2625776), (8120, 2456006), (8680, 2297554), (8990, 2218328), (11318, 1762040), (11368, 1754290), (12152, 1641110), (12586, 1584520), (14210, 1403432), (14384, 1386455), (15190, 1312888), (16240, 1228003), (17360, 1148777), (17980, 1109164), (22636, 881020), (22736, 877145), (24304, 820555), (25172, 792260), (28295, 704816), (28420, 701716), (30380, 656444), (31465, 633808), (35960, 554582), (39613, 503440), (44051, 452720), (45272, 440510), (50344, 396130), (56590, 352408), (56840, 350858), (60760, 328222), (62930, 316904), (71920, 277291), (79226, 251720), (88102, 226360), (90544, 220255), (100688, 198065), (113180, 176204), (113680, 175429), (121520, 164111), (125860, 158452)]