619997520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{499}}^1$

素因数の和:713

約数の個数: 160

約数和(自身を含む): 1999872000

約数和(自身を除く): 1379874480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 167, 186, 240, 248, 310, 334, 372, 465, 496, 499, 501, 620, 668, 744, 835, 930, 998, 1002, 1240, 1336, 1488, 1497, 1670, 1860, 1996, 2004, 2480, 2495, 2505, 2672, 2994, 3340, 3720, 3992, 4008, 4990, 5010, 5177, 5988, 6680, 7440, 7485, 7984, 8016, 9980, 10020, 10354, 11976, 13360, 14970, 15469, 15531, 19960, 20040, 20708, 23952, 25885, 29940, 30938, 31062, 39920, 40080, 41416, 46407, 51770, 59880, 61876, 62124, 77345, 77655, 82832, 83333, 92814, 103540, 119760, 123752, 124248, 154690, 155310, 166666, 185628, 207080, 232035, 247504, 248496, 249999, 309380, 310620, 333332, 371256, 414160, 416665, 464070, 499998, 618760, 621240, 666664, 742512, 833330, 928140, 999996, 1237520, 1242480, 1249995, 1333328, 1666660, 1856280, 1999992, 2499990, 2583323, 3333320, 3712560, 3999984, 4999980, 5166646, 6666640, 7749969, 9999960, 10333292, 12916615, 15499938, 19999920, 20666584, 25833230, 30999876, 38749845, 41333168, 51666460, 61999752, 77499690, 103332920, 123999504, 154999380, 206665840, 309998760, 619997520]

約数ペア:

[(1, 619997520), (2, 309998760), (3, 206665840), (4, 154999380), (5, 123999504), (6, 103332920), (8, 77499690), (10, 61999752), (12, 51666460), (15, 41333168), (16, 38749845), (20, 30999876), (24, 25833230), (30, 20666584), (31, 19999920), (40, 15499938), (48, 12916615), (60, 10333292), (62, 9999960), (80, 7749969), (93, 6666640), (120, 5166646), (124, 4999980), (155, 3999984), (167, 3712560), (186, 3333320), (240, 2583323), (248, 2499990), (310, 1999992), (334, 1856280), (372, 1666660), (465, 1333328), (496, 1249995), (499, 1242480), (501, 1237520), (620, 999996), (668, 928140), (744, 833330), (835, 742512), (930, 666664), (998, 621240), (1002, 618760), (1240, 499998), (1336, 464070), (1488, 416665), (1497, 414160), (1670, 371256), (1860, 333332), (1996, 310620), (2004, 309380), (2480, 249999), (2495, 248496), (2505, 247504), (2672, 232035), (2994, 207080), (3340, 185628), (3720, 166666), (3992, 155310), (4008, 154690), (4990, 124248), (5010, 123752), (5177, 119760), (5988, 103540), (6680, 92814), (7440, 83333), (7485, 82832), (7984, 77655), (8016, 77345), (9980, 62124), (10020, 61876), (10354, 59880), (11976, 51770), (13360, 46407), (14970, 41416), (15469, 40080), (15531, 39920), (19960, 31062), (20040, 30938), (20708, 29940), (23952, 25885)]