309885440

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:342

約数の個数: 160

約数和(自身を含む): 819054720

約数和(自身を除く): 509169280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 230, 256, 277, 304, 320, 368, 380, 437, 460, 512, 554, 608, 640, 736, 760, 874, 920, 1108, 1216, 1280, 1385, 1472, 1520, 1748, 1840, 2185, 2216, 2432, 2560, 2770, 2944, 3040, 3496, 3680, 4370, 4432, 4864, 5263, 5540, 5888, 6080, 6371, 6992, 7360, 8740, 8864, 9728, 10526, 11080, 11776, 12160, 12742, 13984, 14720, 17480, 17728, 21052, 22160, 24320, 25484, 26315, 27968, 29440, 31855, 34960, 35456, 42104, 44320, 48640, 50968, 52630, 55936, 58880, 63710, 69920, 70912, 84208, 88640, 101936, 105260, 111872, 121049, 127420, 139840, 141824, 168416, 177280, 203872, 210520, 223744, 242098, 254840, 279680, 336832, 354560, 407744, 421040, 484196, 509680, 559360, 605245, 673664, 709120, 815488, 842080, 968392, 1019360, 1118720, 1210490, 1347328, 1630976, 1684160, 1936784, 2038720, 2420980, 2694656, 3261952, 3368320, 3873568, 4077440, 4841960, 6736640, 7747136, 8154880, 9683920, 13473280, 15494272, 16309760, 19367840, 30988544, 38735680, 61977088, 77471360, 154942720, 309885440]

約数ペア:

[(1, 309885440), (2, 154942720), (4, 77471360), (5, 61977088), (8, 38735680), (10, 30988544), (16, 19367840), (19, 16309760), (20, 15494272), (23, 13473280), (32, 9683920), (38, 8154880), (40, 7747136), (46, 6736640), (64, 4841960), (76, 4077440), (80, 3873568), (92, 3368320), (95, 3261952), (115, 2694656), (128, 2420980), (152, 2038720), (160, 1936784), (184, 1684160), (190, 1630976), (230, 1347328), (256, 1210490), (277, 1118720), (304, 1019360), (320, 968392), (368, 842080), (380, 815488), (437, 709120), (460, 673664), (512, 605245), (554, 559360), (608, 509680), (640, 484196), (736, 421040), (760, 407744), (874, 354560), (920, 336832), (1108, 279680), (1216, 254840), (1280, 242098), (1385, 223744), (1472, 210520), (1520, 203872), (1748, 177280), (1840, 168416), (2185, 141824), (2216, 139840), (2432, 127420), (2560, 121049), (2770, 111872), (2944, 105260), (3040, 101936), (3496, 88640), (3680, 84208), (4370, 70912), (4432, 69920), (4864, 63710), (5263, 58880), (5540, 55936), (5888, 52630), (6080, 50968), (6371, 48640), (6992, 44320), (7360, 42104), (8740, 35456), (8864, 34960), (9728, 31855), (10526, 29440), (11080, 27968), (11776, 26315), (12160, 25484), (12742, 24320), (13984, 22160), (14720, 21052), (17480, 17728)]