491317760

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:246

約数の個数: 160

約数和(自身を含む): 1253919744

約数和(自身を除く): 762601984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 151, 155, 160, 164, 205, 248, 256, 302, 310, 320, 328, 410, 496, 512, 604, 620, 640, 656, 755, 820, 992, 1208, 1240, 1271, 1280, 1312, 1510, 1640, 1984, 2416, 2480, 2542, 2560, 2624, 3020, 3280, 3968, 4681, 4832, 4960, 5084, 5248, 6040, 6191, 6355, 6560, 7936, 9362, 9664, 9920, 10168, 10496, 12080, 12382, 12710, 13120, 15872, 18724, 19328, 19840, 20336, 20992, 23405, 24160, 24764, 25420, 26240, 30955, 37448, 38656, 39680, 40672, 46810, 48320, 49528, 50840, 52480, 61910, 74896, 77312, 79360, 81344, 93620, 96640, 99056, 101680, 104960, 123820, 149792, 162688, 187240, 191921, 193280, 198112, 203360, 247640, 299584, 325376, 374480, 383842, 386560, 396224, 406720, 495280, 599168, 650752, 748960, 767684, 792448, 813440, 959605, 990560, 1198336, 1497920, 1535368, 1584896, 1626880, 1919210, 1981120, 2396672, 2995840, 3070736, 3169792, 3253760, 3838420, 3962240, 5991680, 6141472, 7676840, 7924480, 11983360, 12282944, 15353680, 15848960, 24565888, 30707360, 49131776, 61414720, 98263552, 122829440, 245658880, 491317760]

約数ペア:

[(1, 491317760), (2, 245658880), (4, 122829440), (5, 98263552), (8, 61414720), (10, 49131776), (16, 30707360), (20, 24565888), (31, 15848960), (32, 15353680), (40, 12282944), (41, 11983360), (62, 7924480), (64, 7676840), (80, 6141472), (82, 5991680), (124, 3962240), (128, 3838420), (151, 3253760), (155, 3169792), (160, 3070736), (164, 2995840), (205, 2396672), (248, 1981120), (256, 1919210), (302, 1626880), (310, 1584896), (320, 1535368), (328, 1497920), (410, 1198336), (496, 990560), (512, 959605), (604, 813440), (620, 792448), (640, 767684), (656, 748960), (755, 650752), (820, 599168), (992, 495280), (1208, 406720), (1240, 396224), (1271, 386560), (1280, 383842), (1312, 374480), (1510, 325376), (1640, 299584), (1984, 247640), (2416, 203360), (2480, 198112), (2542, 193280), (2560, 191921), (2624, 187240), (3020, 162688), (3280, 149792), (3968, 123820), (4681, 104960), (4832, 101680), (4960, 99056), (5084, 96640), (5248, 93620), (6040, 81344), (6191, 79360), (6355, 77312), (6560, 74896), (7936, 61910), (9362, 52480), (9664, 50840), (9920, 49528), (10168, 48320), (10496, 46810), (12080, 40672), (12382, 39680), (12710, 38656), (13120, 37448), (15872, 30955), (18724, 26240), (19328, 25420), (19840, 24764), (20336, 24160), (20992, 23405)]