85210380

素因数分解:

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

素因数の和:310

約数の個数: 144

約数和(自身を含む): 272432160

約数和(自身を除く): 187221780

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, 788, 801, 810, 890, 972, 985, 1068, 1182, 1215, 1335, 1602, 1620, 1773, 1780, 1970, 2364, 2403, 2430, 2670, 2955, 3204, 3546, 3940, 4005, 4806, 4860, 5319, 5340, 5910, 7092, 7209, 8010, 8865, 9612, 10638, 11820, 12015, 14418, 15957, 16020, 17533, 17730, 21276, 21627, 24030, 26595, 28836, 31914, 35066, 35460, 36045, 43254, 47871, 48060, 52599, 53190, 63828, 70132, 72090, 79785, 86508, 87665, 95742, 105198, 106380, 108135, 144180, 157797, 159570, 175330, 191484, 210396, 216270, 239355, 262995, 315594, 319140, 350660, 432540, 473391, 478710, 525990, 631188, 788985, 946782, 957420, 1051980, 1420173, 1577970, 1893564, 2366955, 2840346, 3155940, 4260519, 4733910, 5680692, 7100865, 8521038, 9467820, 14201730, 17042076, 21302595, 28403460, 42605190, 85210380]

約数ペア:

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