388582680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1301}}^1$

素因数の和:1465

約数の個数: 128

約数和(自身を含む): 1237420800

約数和(自身を除く): 848838120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 131, 152, 190, 228, 262, 285, 380, 393, 456, 524, 570, 655, 760, 786, 1048, 1140, 1301, 1310, 1572, 1965, 2280, 2489, 2602, 2620, 3144, 3903, 3930, 4978, 5204, 5240, 6505, 7467, 7806, 7860, 9956, 10408, 12445, 13010, 14934, 15612, 15720, 19515, 19912, 24719, 24890, 26020, 29868, 31224, 37335, 39030, 49438, 49780, 52040, 59736, 74157, 74670, 78060, 98876, 99560, 123595, 148314, 149340, 156120, 170431, 197752, 247190, 296628, 298680, 340862, 370785, 494380, 511293, 593256, 681724, 741570, 852155, 988760, 1022586, 1363448, 1483140, 1704310, 2045172, 2556465, 2966280, 3238189, 3408620, 4090344, 5112930, 6476378, 6817240, 9714567, 10225860, 12952756, 16190945, 19429134, 20451720, 25905512, 32381890, 38858268, 48572835, 64763780, 77716536, 97145670, 129527560, 194291340, 388582680]

約数ペア:

[(1, 388582680), (2, 194291340), (3, 129527560), (4, 97145670), (5, 77716536), (6, 64763780), (8, 48572835), (10, 38858268), (12, 32381890), (15, 25905512), (19, 20451720), (20, 19429134), (24, 16190945), (30, 12952756), (38, 10225860), (40, 9714567), (57, 6817240), (60, 6476378), (76, 5112930), (95, 4090344), (114, 3408620), (120, 3238189), (131, 2966280), (152, 2556465), (190, 2045172), (228, 1704310), (262, 1483140), (285, 1363448), (380, 1022586), (393, 988760), (456, 852155), (524, 741570), (570, 681724), (655, 593256), (760, 511293), (786, 494380), (1048, 370785), (1140, 340862), (1301, 298680), (1310, 296628), (1572, 247190), (1965, 197752), (2280, 170431), (2489, 156120), (2602, 149340), (2620, 148314), (3144, 123595), (3903, 99560), (3930, 98876), (4978, 78060), (5204, 74670), (5240, 74157), (6505, 59736), (7467, 52040), (7806, 49780), (7860, 49438), (9956, 39030), (10408, 37335), (12445, 31224), (13010, 29868), (14934, 26020), (15612, 24890), (15720, 24719), (19515, 19912)]