312699520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:562

約数の個数: 128

約数和(自身を含む): 860912640

約数和(自身を除く): 548213120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 223, 224, 280, 313, 320, 446, 448, 560, 626, 640, 892, 896, 1115, 1120, 1252, 1561, 1565, 1784, 2191, 2230, 2240, 2504, 3122, 3130, 3568, 4382, 4460, 4480, 5008, 6244, 6260, 7136, 7805, 8764, 8920, 10016, 10955, 12488, 12520, 14272, 15610, 17528, 17840, 20032, 21910, 24976, 25040, 28544, 31220, 35056, 35680, 40064, 43820, 49952, 50080, 62440, 69799, 70112, 71360, 87640, 99904, 100160, 124880, 139598, 140224, 142720, 175280, 199808, 200320, 249760, 279196, 280448, 348995, 350560, 488593, 499520, 558392, 697990, 701120, 977186, 999040, 1116784, 1395980, 1402240, 1954372, 2233568, 2442965, 2791960, 3908744, 4467136, 4885930, 5583920, 7817488, 8934272, 9771860, 11167840, 15634976, 19543720, 22335680, 31269952, 39087440, 44671360, 62539904, 78174880, 156349760, 312699520]

約数ペア:

[(1, 312699520), (2, 156349760), (4, 78174880), (5, 62539904), (7, 44671360), (8, 39087440), (10, 31269952), (14, 22335680), (16, 19543720), (20, 15634976), (28, 11167840), (32, 9771860), (35, 8934272), (40, 7817488), (56, 5583920), (64, 4885930), (70, 4467136), (80, 3908744), (112, 2791960), (128, 2442965), (140, 2233568), (160, 1954372), (223, 1402240), (224, 1395980), (280, 1116784), (313, 999040), (320, 977186), (446, 701120), (448, 697990), (560, 558392), (626, 499520), (640, 488593), (892, 350560), (896, 348995), (1115, 280448), (1120, 279196), (1252, 249760), (1561, 200320), (1565, 199808), (1784, 175280), (2191, 142720), (2230, 140224), (2240, 139598), (2504, 124880), (3122, 100160), (3130, 99904), (3568, 87640), (4382, 71360), (4460, 70112), (4480, 69799), (5008, 62440), (6244, 50080), (6260, 49952), (7136, 43820), (7805, 40064), (8764, 35680), (8920, 35056), (10016, 31220), (10955, 28544), (12488, 25040), (12520, 24976), (14272, 21910), (15610, 20032), (17528, 17840)]