217674840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:433

約数の個数: 128

約数和(自身を含む): 671742720

約数和(自身を除く): 454067880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 131, 183, 227, 244, 262, 305, 366, 393, 454, 488, 524, 610, 655, 681, 732, 786, 908, 915, 1048, 1135, 1220, 1310, 1362, 1464, 1572, 1816, 1830, 1965, 2270, 2440, 2620, 2724, 3144, 3405, 3660, 3930, 4540, 5240, 5448, 6810, 7320, 7860, 7991, 9080, 13620, 13847, 15720, 15982, 23973, 27240, 27694, 29737, 31964, 39955, 41541, 47946, 55388, 59474, 63928, 69235, 79910, 83082, 89211, 95892, 110776, 118948, 119865, 138470, 148685, 159820, 166164, 178422, 191784, 207705, 237896, 239730, 276940, 297370, 319640, 332328, 356844, 415410, 446055, 479460, 553880, 594740, 713688, 830820, 892110, 958920, 1189480, 1661640, 1784220, 1813957, 3568440, 3627914, 5441871, 7255828, 9069785, 10883742, 14511656, 18139570, 21767484, 27209355, 36279140, 43534968, 54418710, 72558280, 108837420, 217674840]

約数ペア:

[(1, 217674840), (2, 108837420), (3, 72558280), (4, 54418710), (5, 43534968), (6, 36279140), (8, 27209355), (10, 21767484), (12, 18139570), (15, 14511656), (20, 10883742), (24, 9069785), (30, 7255828), (40, 5441871), (60, 3627914), (61, 3568440), (120, 1813957), (122, 1784220), (131, 1661640), (183, 1189480), (227, 958920), (244, 892110), (262, 830820), (305, 713688), (366, 594740), (393, 553880), (454, 479460), (488, 446055), (524, 415410), (610, 356844), (655, 332328), (681, 319640), (732, 297370), (786, 276940), (908, 239730), (915, 237896), (1048, 207705), (1135, 191784), (1220, 178422), (1310, 166164), (1362, 159820), (1464, 148685), (1572, 138470), (1816, 119865), (1830, 118948), (1965, 110776), (2270, 95892), (2440, 89211), (2620, 83082), (2724, 79910), (3144, 69235), (3405, 63928), (3660, 59474), (3930, 55388), (4540, 47946), (5240, 41541), (5448, 39955), (6810, 31964), (7320, 29737), (7860, 27694), (7991, 27240), (9080, 23973), (13620, 15982), (13847, 15720)]