538606640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 240

約数和(自身を含む): 1555212960

約数和(自身を除く): 1016606320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 80, 88, 89, 92, 104, 110, 115, 130, 143, 176, 178, 184, 208, 220, 230, 253, 260, 286, 299, 356, 368, 440, 445, 460, 506, 520, 529, 572, 598, 712, 715, 880, 890, 920, 979, 1012, 1040, 1058, 1144, 1157, 1196, 1265, 1424, 1430, 1495, 1780, 1840, 1958, 2024, 2047, 2116, 2288, 2314, 2392, 2530, 2645, 2860, 2990, 3289, 3560, 3916, 4048, 4094, 4232, 4628, 4784, 4895, 5060, 5290, 5720, 5785, 5819, 5980, 6578, 6877, 7120, 7832, 8188, 8464, 9256, 9790, 10120, 10235, 10580, 11440, 11570, 11638, 11960, 12727, 13156, 13754, 15664, 16376, 16445, 18512, 19580, 20240, 20470, 21160, 22517, 23140, 23276, 23920, 25454, 26312, 26611, 27508, 29095, 32752, 32890, 34385, 39160, 40940, 42320, 45034, 46280, 46552, 47081, 50908, 52624, 53222, 55016, 58190, 63635, 65780, 68770, 75647, 78320, 81880, 90068, 92560, 93104, 94162, 101816, 106444, 110032, 112585, 116380, 127270, 131560, 133055, 137540, 151294, 163760, 180136, 188324, 203632, 212888, 225170, 232760, 235405, 254540, 263120, 266110, 275080, 292721, 302588, 360272, 376648, 378235, 425776, 450340, 465520, 470810, 509080, 517891, 532220, 550160, 585442, 605176, 612053, 753296, 756470, 900680, 941620, 1018160, 1035782, 1064440, 1170884, 1210352, 1224106, 1463605, 1512940, 1801360, 1883240, 2071564, 2128880, 2341768, 2448212, 2589455, 2927210, 3025880, 3060265, 3766480, 4143128, 4683536, 4896424, 5178910, 5854420, 6051760, 6120530, 6732583, 8286256, 9792848, 10357820, 11708840, 12241060, 13465166, 20715640, 23417680, 24482120, 26930332, 33662915, 41431280, 48964240, 53860664, 67325830, 107721328, 134651660, 269303320, 538606640]

約数ペア:

[(1, 538606640), (2, 269303320), (4, 134651660), (5, 107721328), (8, 67325830), (10, 53860664), (11, 48964240), (13, 41431280), (16, 33662915), (20, 26930332), (22, 24482120), (23, 23417680), (26, 20715640), (40, 13465166), (44, 12241060), (46, 11708840), (52, 10357820), (55, 9792848), (65, 8286256), (80, 6732583), (88, 6120530), (89, 6051760), (92, 5854420), (104, 5178910), (110, 4896424), (115, 4683536), (130, 4143128), (143, 3766480), (176, 3060265), (178, 3025880), (184, 2927210), (208, 2589455), (220, 2448212), (230, 2341768), (253, 2128880), (260, 2071564), (286, 1883240), (299, 1801360), (356, 1512940), (368, 1463605), (440, 1224106), (445, 1210352), (460, 1170884), (506, 1064440), (520, 1035782), (529, 1018160), (572, 941620), (598, 900680), (712, 756470), (715, 753296), (880, 612053), (890, 605176), (920, 585442), (979, 550160), (1012, 532220), (1040, 517891), (1058, 509080), (1144, 470810), (1157, 465520), (1196, 450340), (1265, 425776), (1424, 378235), (1430, 376648), (1495, 360272), (1780, 302588), (1840, 292721), (1958, 275080), (2024, 266110), (2047, 263120), (2116, 254540), (2288, 235405), (2314, 232760), (2392, 225170), (2530, 212888), (2645, 203632), (2860, 188324), (2990, 180136), (3289, 163760), (3560, 151294), (3916, 137540), (4048, 133055), (4094, 131560), (4232, 127270), (4628, 116380), (4784, 112585), (4895, 110032), (5060, 106444), (5290, 101816), (5720, 94162), (5785, 93104), (5819, 92560), (5980, 90068), (6578, 81880), (6877, 78320), (7120, 75647), (7832, 68770), (8188, 65780), (8464, 63635), (9256, 58190), (9790, 55016), (10120, 53222), (10235, 52624), (10580, 50908), (11440, 47081), (11570, 46552), (11638, 46280), (11960, 45034), (12727, 42320), (13156, 40940), (13754, 39160), (15664, 34385), (16376, 32890), (16445, 32752), (18512, 29095), (19580, 27508), (20240, 26611), (20470, 26312), (21160, 25454), (22517, 23920), (23140, 23276)]