245658880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 626347008

約数和(自身を除く): 380688128

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, 604, 620, 640, 656, 755, 820, 992, 1208, 1240, 1271, 1280, 1312, 1510, 1640, 1984, 2416, 2480, 2542, 2624, 3020, 3280, 3968, 4681, 4832, 4960, 5084, 5248, 6040, 6191, 6355, 6560, 7936, 9362, 9664, 9920, 10168, 10496, 12080, 12382, 12710, 13120, 18724, 19328, 19840, 20336, 23405, 24160, 24764, 25420, 26240, 30955, 37448, 38656, 39680, 40672, 46810, 48320, 49528, 50840, 52480, 61910, 74896, 81344, 93620, 96640, 99056, 101680, 123820, 149792, 162688, 187240, 191921, 193280, 198112, 203360, 247640, 299584, 325376, 374480, 383842, 396224, 406720, 495280, 599168, 748960, 767684, 792448, 813440, 959605, 990560, 1198336, 1497920, 1535368, 1584896, 1626880, 1919210, 1981120, 2995840, 3070736, 3838420, 3962240, 5991680, 6141472, 7676840, 7924480, 12282944, 15353680, 24565888, 30707360, 49131776, 61414720, 122829440, 245658880]

約数ペア:

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