381122880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 224

約数和(自身を含む): 1296546048

約数和(自身を除く): 915423168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 41, 46, 48, 60, 64, 69, 80, 82, 92, 96, 115, 120, 123, 138, 160, 164, 184, 192, 205, 230, 240, 246, 276, 320, 328, 345, 368, 410, 421, 460, 480, 492, 552, 615, 656, 690, 736, 820, 842, 920, 943, 960, 984, 1104, 1230, 1263, 1312, 1380, 1472, 1640, 1684, 1840, 1886, 1968, 2105, 2208, 2460, 2526, 2624, 2760, 2829, 3280, 3368, 3680, 3772, 3936, 4210, 4416, 4715, 4920, 5052, 5520, 5658, 6315, 6560, 6736, 7360, 7544, 7872, 8420, 9430, 9683, 9840, 10104, 11040, 11316, 12630, 13120, 13472, 14145, 15088, 16840, 17261, 18860, 19366, 19680, 20208, 22080, 22632, 25260, 26944, 28290, 29049, 30176, 33680, 34522, 37720, 38732, 39360, 40416, 45264, 48415, 50520, 51783, 56580, 58098, 60352, 67360, 69044, 75440, 77464, 80832, 86305, 90528, 96830, 101040, 103566, 113160, 116196, 134720, 138088, 145245, 150880, 154928, 172610, 181056, 193660, 202080, 207132, 226320, 232392, 258915, 276176, 290490, 301760, 309856, 345220, 387320, 397003, 404160, 414264, 452640, 464784, 517830, 552352, 580980, 619712, 690440, 774640, 794006, 828528, 905280, 929568, 1035660, 1104704, 1161960, 1191009, 1380880, 1549280, 1588012, 1657056, 1859136, 1985015, 2071320, 2323920, 2382018, 2761760, 3098560, 3176024, 3314112, 3970030, 4142640, 4647840, 4764036, 5523520, 5955045, 6352048, 7940060, 8285280, 9295680, 9528072, 11910090, 12704096, 15880120, 16570560, 19056144, 23820180, 25408192, 31760240, 38112288, 47640360, 63520480, 76224576, 95280720, 127040960, 190561440, 381122880]

約数ペア:

[(1, 381122880), (2, 190561440), (3, 127040960), (4, 95280720), (5, 76224576), (6, 63520480), (8, 47640360), (10, 38112288), (12, 31760240), (15, 25408192), (16, 23820180), (20, 19056144), (23, 16570560), (24, 15880120), (30, 12704096), (32, 11910090), (40, 9528072), (41, 9295680), (46, 8285280), (48, 7940060), (60, 6352048), (64, 5955045), (69, 5523520), (80, 4764036), (82, 4647840), (92, 4142640), (96, 3970030), (115, 3314112), (120, 3176024), (123, 3098560), (138, 2761760), (160, 2382018), (164, 2323920), (184, 2071320), (192, 1985015), (205, 1859136), (230, 1657056), (240, 1588012), (246, 1549280), (276, 1380880), (320, 1191009), (328, 1161960), (345, 1104704), (368, 1035660), (410, 929568), (421, 905280), (460, 828528), (480, 794006), (492, 774640), (552, 690440), (615, 619712), (656, 580980), (690, 552352), (736, 517830), (820, 464784), (842, 452640), (920, 414264), (943, 404160), (960, 397003), (984, 387320), (1104, 345220), (1230, 309856), (1263, 301760), (1312, 290490), (1380, 276176), (1472, 258915), (1640, 232392), (1684, 226320), (1840, 207132), (1886, 202080), (1968, 193660), (2105, 181056), (2208, 172610), (2460, 154928), (2526, 150880), (2624, 145245), (2760, 138088), (2829, 134720), (3280, 116196), (3368, 113160), (3680, 103566), (3772, 101040), (3936, 96830), (4210, 90528), (4416, 86305), (4715, 80832), (4920, 77464), (5052, 75440), (5520, 69044), (5658, 67360), (6315, 60352), (6560, 58098), (6736, 56580), (7360, 51783), (7544, 50520), (7872, 48415), (8420, 45264), (9430, 40416), (9683, 39360), (9840, 38732), (10104, 37720), (11040, 34522), (11316, 33680), (12630, 30176), (13120, 29049), (13472, 28290), (14145, 26944), (15088, 25260), (16840, 22632), (17261, 22080), (18860, 20208), (19366, 19680)]