128430880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:626

約数の個数: 96

約数和(自身を含む): 323870400

約数和(自身を除く): 195439520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 83, 95, 152, 160, 166, 190, 304, 332, 380, 415, 509, 608, 664, 760, 830, 1018, 1328, 1520, 1577, 1660, 2036, 2545, 2656, 3040, 3154, 3320, 4072, 5090, 6308, 6640, 7885, 8144, 9671, 10180, 12616, 13280, 15770, 16288, 19342, 20360, 25232, 31540, 38684, 40720, 42247, 48355, 50464, 63080, 77368, 81440, 84494, 96710, 126160, 154736, 168988, 193420, 211235, 252320, 309472, 337976, 386840, 422470, 675952, 773680, 802693, 844940, 1351904, 1547360, 1605386, 1689880, 3210772, 3379760, 4013465, 6421544, 6759520, 8026930, 12843088, 16053860, 25686176, 32107720, 64215440, 128430880]

約数ペア:

[(1, 128430880), (2, 64215440), (4, 32107720), (5, 25686176), (8, 16053860), (10, 12843088), (16, 8026930), (19, 6759520), (20, 6421544), (32, 4013465), (38, 3379760), (40, 3210772), (76, 1689880), (80, 1605386), (83, 1547360), (95, 1351904), (152, 844940), (160, 802693), (166, 773680), (190, 675952), (304, 422470), (332, 386840), (380, 337976), (415, 309472), (509, 252320), (608, 211235), (664, 193420), (760, 168988), (830, 154736), (1018, 126160), (1328, 96710), (1520, 84494), (1577, 81440), (1660, 77368), (2036, 63080), (2545, 50464), (2656, 48355), (3040, 42247), (3154, 40720), (3320, 38684), (4072, 31540), (5090, 25232), (6308, 20360), (6640, 19342), (7885, 16288), (8144, 15770), (9671, 13280), (10180, 12616)]