247813380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:634

約数の個数: 144

約数和(自身を含む): 786240000

約数和(自身を除く): 538426620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 89, 90, 93, 124, 155, 178, 180, 186, 267, 279, 310, 356, 372, 445, 465, 499, 534, 558, 620, 801, 890, 930, 998, 1068, 1116, 1335, 1395, 1497, 1602, 1780, 1860, 1996, 2495, 2670, 2759, 2790, 2994, 3204, 4005, 4491, 4990, 5340, 5518, 5580, 5988, 7485, 8010, 8277, 8982, 9980, 11036, 13795, 14970, 15469, 16020, 16554, 17964, 22455, 24831, 27590, 29940, 30938, 33108, 41385, 44411, 44910, 46407, 49662, 55180, 61876, 77345, 82770, 88822, 89820, 92814, 99324, 124155, 133233, 139221, 154690, 165540, 177644, 185628, 222055, 232035, 248310, 266466, 278442, 309380, 399699, 444110, 464070, 496620, 532932, 556884, 666165, 696105, 799398, 888220, 928140, 1332330, 1376741, 1392210, 1598796, 1998495, 2664660, 2753482, 2784420, 3996990, 4130223, 5506964, 6883705, 7993980, 8260446, 12390669, 13767410, 16520892, 20651115, 24781338, 27534820, 41302230, 49562676, 61953345, 82604460, 123906690, 247813380]

約数ペア:

[(1, 247813380), (2, 123906690), (3, 82604460), (4, 61953345), (5, 49562676), (6, 41302230), (9, 27534820), (10, 24781338), (12, 20651115), (15, 16520892), (18, 13767410), (20, 12390669), (30, 8260446), (31, 7993980), (36, 6883705), (45, 5506964), (60, 4130223), (62, 3996990), (89, 2784420), (90, 2753482), (93, 2664660), (124, 1998495), (155, 1598796), (178, 1392210), (180, 1376741), (186, 1332330), (267, 928140), (279, 888220), (310, 799398), (356, 696105), (372, 666165), (445, 556884), (465, 532932), (499, 496620), (534, 464070), (558, 444110), (620, 399699), (801, 309380), (890, 278442), (930, 266466), (998, 248310), (1068, 232035), (1116, 222055), (1335, 185628), (1395, 177644), (1497, 165540), (1602, 154690), (1780, 139221), (1860, 133233), (1996, 124155), (2495, 99324), (2670, 92814), (2759, 89820), (2790, 88822), (2994, 82770), (3204, 77345), (4005, 61876), (4491, 55180), (4990, 49662), (5340, 46407), (5518, 44910), (5580, 44411), (5988, 41385), (7485, 33108), (8010, 30938), (8277, 29940), (8982, 27590), (9980, 24831), (11036, 22455), (13795, 17964), (14970, 16554), (15469, 16020)]