305595520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 128

約数和(自身を含む): 768084480

約数和(自身を除く): 462488960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 73, 80, 124, 128, 146, 155, 160, 211, 248, 292, 310, 320, 365, 422, 496, 584, 620, 640, 730, 844, 992, 1055, 1168, 1240, 1460, 1688, 1984, 2110, 2263, 2336, 2480, 2920, 3376, 3968, 4220, 4526, 4672, 4960, 5840, 6541, 6752, 8440, 9052, 9344, 9920, 11315, 11680, 13082, 13504, 15403, 16880, 18104, 19840, 22630, 23360, 26164, 27008, 30806, 32705, 33760, 36208, 45260, 46720, 52328, 61612, 65410, 67520, 72416, 77015, 90520, 104656, 123224, 130820, 135040, 144832, 154030, 181040, 209312, 246448, 261640, 289664, 308060, 362080, 418624, 477493, 492896, 523280, 616120, 724160, 837248, 954986, 985792, 1046560, 1232240, 1448320, 1909972, 1971584, 2093120, 2387465, 2464480, 3819944, 4186240, 4774930, 4928960, 7639888, 9549860, 9857920, 15279776, 19099720, 30559552, 38199440, 61119104, 76398880, 152797760, 305595520]

約数ペア:

[(1, 305595520), (2, 152797760), (4, 76398880), (5, 61119104), (8, 38199440), (10, 30559552), (16, 19099720), (20, 15279776), (31, 9857920), (32, 9549860), (40, 7639888), (62, 4928960), (64, 4774930), (73, 4186240), (80, 3819944), (124, 2464480), (128, 2387465), (146, 2093120), (155, 1971584), (160, 1909972), (211, 1448320), (248, 1232240), (292, 1046560), (310, 985792), (320, 954986), (365, 837248), (422, 724160), (496, 616120), (584, 523280), (620, 492896), (640, 477493), (730, 418624), (844, 362080), (992, 308060), (1055, 289664), (1168, 261640), (1240, 246448), (1460, 209312), (1688, 181040), (1984, 154030), (2110, 144832), (2263, 135040), (2336, 130820), (2480, 123224), (2920, 104656), (3376, 90520), (3968, 77015), (4220, 72416), (4526, 67520), (4672, 65410), (4960, 61612), (5840, 52328), (6541, 46720), (6752, 45260), (8440, 36208), (9052, 33760), (9344, 32705), (9920, 30806), (11315, 27008), (11680, 26164), (13082, 23360), (13504, 22630), (15403, 19840), (16880, 18104)]