72130760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 188455680

約数和(自身を除く): 116324920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 37, 40, 46, 52, 65, 74, 92, 104, 115, 130, 148, 163, 184, 185, 230, 260, 296, 299, 326, 370, 460, 481, 520, 598, 652, 740, 815, 851, 920, 962, 1196, 1304, 1480, 1495, 1630, 1702, 1924, 2119, 2392, 2405, 2990, 3260, 3404, 3749, 3848, 4238, 4255, 4810, 5980, 6031, 6520, 6808, 7498, 8476, 8510, 9620, 10595, 11063, 11960, 12062, 14996, 16952, 17020, 18745, 19240, 21190, 22126, 24124, 29992, 30155, 34040, 37490, 42380, 44252, 48248, 48737, 55315, 60310, 74980, 78403, 84760, 88504, 97474, 110630, 120620, 138713, 149960, 156806, 194948, 221260, 241240, 243685, 277426, 313612, 389896, 392015, 442520, 487370, 554852, 627224, 693565, 784030, 974740, 1109704, 1387130, 1568060, 1803269, 1949480, 2774260, 3136120, 3606538, 5548520, 7213076, 9016345, 14426152, 18032690, 36065380, 72130760]

約数ペア:

[(1, 72130760), (2, 36065380), (4, 18032690), (5, 14426152), (8, 9016345), (10, 7213076), (13, 5548520), (20, 3606538), (23, 3136120), (26, 2774260), (37, 1949480), (40, 1803269), (46, 1568060), (52, 1387130), (65, 1109704), (74, 974740), (92, 784030), (104, 693565), (115, 627224), (130, 554852), (148, 487370), (163, 442520), (184, 392015), (185, 389896), (230, 313612), (260, 277426), (296, 243685), (299, 241240), (326, 221260), (370, 194948), (460, 156806), (481, 149960), (520, 138713), (598, 120620), (652, 110630), (740, 97474), (815, 88504), (851, 84760), (920, 78403), (962, 74980), (1196, 60310), (1304, 55315), (1480, 48737), (1495, 48248), (1630, 44252), (1702, 42380), (1924, 37490), (2119, 34040), (2392, 30155), (2405, 29992), (2990, 24124), (3260, 22126), (3404, 21190), (3749, 19240), (3848, 18745), (4238, 17020), (4255, 16952), (4810, 14996), (5980, 12062), (6031, 11960), (6520, 11063), (6808, 10595), (7498, 9620), (8476, 8510)]