90052020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 301593600

約数和(自身を除く): 211541580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 67, 76, 90, 95, 108, 114, 131, 134, 135, 171, 180, 190, 201, 228, 262, 268, 270, 285, 335, 342, 380, 393, 402, 513, 524, 540, 570, 603, 655, 670, 684, 786, 804, 855, 1005, 1026, 1140, 1179, 1206, 1273, 1310, 1340, 1572, 1710, 1809, 1965, 2010, 2052, 2358, 2412, 2489, 2546, 2565, 2620, 3015, 3420, 3537, 3618, 3819, 3930, 4020, 4716, 4978, 5092, 5130, 5895, 6030, 6365, 7074, 7236, 7467, 7638, 7860, 8777, 9045, 9956, 10260, 11457, 11790, 12060, 12445, 12730, 14148, 14934, 15276, 17554, 17685, 18090, 19095, 22401, 22914, 23580, 24890, 25460, 26331, 29868, 34371, 35108, 35370, 36180, 37335, 38190, 43885, 44802, 45828, 49780, 52662, 57285, 67203, 68742, 70740, 74670, 76380, 78993, 87770, 89604, 105324, 112005, 114570, 131655, 134406, 137484, 149340, 157986, 166763, 171855, 175540, 224010, 229140, 236979, 263310, 268812, 315972, 333526, 336015, 343710, 394965, 448020, 473958, 500289, 526620, 667052, 672030, 687420, 789930, 833815, 947916, 1000578, 1184895, 1344060, 1500867, 1579860, 1667630, 2001156, 2369790, 2501445, 3001734, 3335260, 4502601, 4739580, 5002890, 6003468, 7504335, 9005202, 10005780, 15008670, 18010404, 22513005, 30017340, 45026010, 90052020]

約数ペア:

[(1, 90052020), (2, 45026010), (3, 30017340), (4, 22513005), (5, 18010404), (6, 15008670), (9, 10005780), (10, 9005202), (12, 7504335), (15, 6003468), (18, 5002890), (19, 4739580), (20, 4502601), (27, 3335260), (30, 3001734), (36, 2501445), (38, 2369790), (45, 2001156), (54, 1667630), (57, 1579860), (60, 1500867), (67, 1344060), (76, 1184895), (90, 1000578), (95, 947916), (108, 833815), (114, 789930), (131, 687420), (134, 672030), (135, 667052), (171, 526620), (180, 500289), (190, 473958), (201, 448020), (228, 394965), (262, 343710), (268, 336015), (270, 333526), (285, 315972), (335, 268812), (342, 263310), (380, 236979), (393, 229140), (402, 224010), (513, 175540), (524, 171855), (540, 166763), (570, 157986), (603, 149340), (655, 137484), (670, 134406), (684, 131655), (786, 114570), (804, 112005), (855, 105324), (1005, 89604), (1026, 87770), (1140, 78993), (1179, 76380), (1206, 74670), (1273, 70740), (1310, 68742), (1340, 67203), (1572, 57285), (1710, 52662), (1809, 49780), (1965, 45828), (2010, 44802), (2052, 43885), (2358, 38190), (2412, 37335), (2489, 36180), (2546, 35370), (2565, 35108), (2620, 34371), (3015, 29868), (3420, 26331), (3537, 25460), (3618, 24890), (3819, 23580), (3930, 22914), (4020, 22401), (4716, 19095), (4978, 18090), (5092, 17685), (5130, 17554), (5895, 15276), (6030, 14934), (6365, 14148), (7074, 12730), (7236, 12445), (7467, 12060), (7638, 11790), (7860, 11457), (8777, 10260), (9045, 9956)]