20172729240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{15683}}^1$

素因数の和:16103

約数の個数: 160

約数和(自身を含む): 67977906480

約数和(自身を除く): 47805177240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 397, 405, 540, 648, 794, 810, 1080, 1191, 1588, 1620, 1985, 2382, 3176, 3240, 3573, 3970, 4764, 5955, 7146, 7940, 9528, 10719, 11910, 14292, 15683, 15880, 17865, 21438, 23820, 28584, 31366, 32157, 35730, 42876, 47049, 47640, 53595, 62732, 64314, 71460, 78415, 85752, 94098, 107190, 125464, 128628, 141147, 142920, 156830, 160785, 188196, 214380, 235245, 257256, 282294, 313660, 321570, 376392, 423441, 428760, 470490, 564588, 627320, 643140, 705735, 846882, 940980, 1129176, 1270323, 1286280, 1411470, 1693764, 1881960, 2117205, 2540646, 2822940, 3387528, 4234410, 5081292, 5645880, 6226151, 6351615, 8468820, 10162584, 12452302, 12703230, 16937640, 18678453, 24904604, 25406460, 31130755, 37356906, 49809208, 50812920, 56035359, 62261510, 74713812, 93392265, 112070718, 124523020, 149427624, 168106077, 186784530, 224141436, 249046040, 280176795, 336212154, 373569060, 448282872, 504318231, 560353590, 672424308, 747138120, 840530385, 1008636462, 1120707180, 1344848616, 1681060770, 2017272924, 2241414360, 2521591155, 3362121540, 4034545848, 5043182310, 6724243080, 10086364620, 20172729240]

約数ペア:

[(1, 20172729240), (2, 10086364620), (3, 6724243080), (4, 5043182310), (5, 4034545848), (6, 3362121540), (8, 2521591155), (9, 2241414360), (10, 2017272924), (12, 1681060770), (15, 1344848616), (18, 1120707180), (20, 1008636462), (24, 840530385), (27, 747138120), (30, 672424308), (36, 560353590), (40, 504318231), (45, 448282872), (54, 373569060), (60, 336212154), (72, 280176795), (81, 249046040), (90, 224141436), (108, 186784530), (120, 168106077), (135, 149427624), (162, 124523020), (180, 112070718), (216, 93392265), (270, 74713812), (324, 62261510), (360, 56035359), (397, 50812920), (405, 49809208), (540, 37356906), (648, 31130755), (794, 25406460), (810, 24904604), (1080, 18678453), (1191, 16937640), (1588, 12703230), (1620, 12452302), (1985, 10162584), (2382, 8468820), (3176, 6351615), (3240, 6226151), (3573, 5645880), (3970, 5081292), (4764, 4234410), (5955, 3387528), (7146, 2822940), (7940, 2540646), (9528, 2117205), (10719, 1881960), (11910, 1693764), (14292, 1411470), (15683, 1286280), (15880, 1270323), (17865, 1129176), (21438, 940980), (23820, 846882), (28584, 705735), (31366, 643140), (32157, 627320), (35730, 564588), (42876, 470490), (47049, 428760), (47640, 423441), (53595, 376392), (62732, 321570), (64314, 313660), (71460, 282294), (78415, 257256), (85752, 235245), (94098, 214380), (107190, 188196), (125464, 160785), (128628, 156830), (141147, 142920)]