255631140

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:313

約数の個数: 168

約数和(自身を含む): 818044920

約数和(自身を除く): 562413780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 89, 90, 108, 135, 162, 178, 180, 197, 243, 267, 270, 324, 356, 394, 405, 445, 486, 534, 540, 591, 729, 788, 801, 810, 890, 972, 985, 1068, 1182, 1215, 1335, 1458, 1602, 1620, 1773, 1780, 1970, 2364, 2403, 2430, 2670, 2916, 2955, 3204, 3546, 3645, 3940, 4005, 4806, 4860, 5319, 5340, 5910, 7092, 7209, 7290, 8010, 8865, 9612, 10638, 11820, 12015, 14418, 14580, 15957, 16020, 17533, 17730, 21276, 21627, 24030, 26595, 28836, 31914, 35066, 35460, 36045, 43254, 47871, 48060, 52599, 53190, 63828, 64881, 70132, 72090, 79785, 86508, 87665, 95742, 105198, 106380, 108135, 129762, 143613, 144180, 157797, 159570, 175330, 191484, 210396, 216270, 239355, 259524, 262995, 287226, 315594, 319140, 324405, 350660, 432540, 473391, 478710, 525990, 574452, 631188, 648810, 718065, 788985, 946782, 957420, 1051980, 1297620, 1420173, 1436130, 1577970, 1893564, 2366955, 2840346, 2872260, 3155940, 4260519, 4733910, 5680692, 7100865, 8521038, 9467820, 12781557, 14201730, 17042076, 21302595, 25563114, 28403460, 42605190, 51126228, 63907785, 85210380, 127815570, 255631140]

約数ペア:

[(1, 255631140), (2, 127815570), (3, 85210380), (4, 63907785), (5, 51126228), (6, 42605190), (9, 28403460), (10, 25563114), (12, 21302595), (15, 17042076), (18, 14201730), (20, 12781557), (27, 9467820), (30, 8521038), (36, 7100865), (45, 5680692), (54, 4733910), (60, 4260519), (81, 3155940), (89, 2872260), (90, 2840346), (108, 2366955), (135, 1893564), (162, 1577970), (178, 1436130), (180, 1420173), (197, 1297620), (243, 1051980), (267, 957420), (270, 946782), (324, 788985), (356, 718065), (394, 648810), (405, 631188), (445, 574452), (486, 525990), (534, 478710), (540, 473391), (591, 432540), (729, 350660), (788, 324405), (801, 319140), (810, 315594), (890, 287226), (972, 262995), (985, 259524), (1068, 239355), (1182, 216270), (1215, 210396), (1335, 191484), (1458, 175330), (1602, 159570), (1620, 157797), (1773, 144180), (1780, 143613), (1970, 129762), (2364, 108135), (2403, 106380), (2430, 105198), (2670, 95742), (2916, 87665), (2955, 86508), (3204, 79785), (3546, 72090), (3645, 70132), (3940, 64881), (4005, 63828), (4806, 53190), (4860, 52599), (5319, 48060), (5340, 47871), (5910, 43254), (7092, 36045), (7209, 35460), (7290, 35066), (8010, 31914), (8865, 28836), (9612, 26595), (10638, 24030), (11820, 21627), (12015, 21276), (14418, 17730), (14580, 17533), (15957, 16020)]