217327440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:649

約数の個数: 160

約数和(自身を含む): 740524032

約数和(自身を除く): 523196592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 191, 220, 240, 264, 330, 382, 431, 440, 528, 573, 660, 764, 862, 880, 955, 1146, 1293, 1320, 1528, 1724, 1910, 2101, 2155, 2292, 2586, 2640, 2865, 3056, 3448, 3820, 4202, 4310, 4584, 4741, 5172, 5730, 6303, 6465, 6896, 7640, 8404, 8620, 9168, 9482, 10344, 10505, 11460, 12606, 12930, 14223, 15280, 16808, 17240, 18964, 20688, 21010, 22920, 23705, 25212, 25860, 28446, 31515, 33616, 34480, 37928, 42020, 45840, 47410, 50424, 51720, 56892, 63030, 71115, 75856, 82321, 84040, 94820, 100848, 103440, 113784, 126060, 142230, 164642, 168080, 189640, 227568, 246963, 252120, 284460, 329284, 379280, 411605, 493926, 504240, 568920, 658568, 823210, 905531, 987852, 1137840, 1234815, 1317136, 1646420, 1811062, 1975704, 2469630, 2716593, 3292840, 3622124, 3951408, 4527655, 4939260, 5433186, 6585680, 7244248, 9055310, 9878520, 10866372, 13582965, 14488496, 18110620, 19757040, 21732744, 27165930, 36221240, 43465488, 54331860, 72442480, 108663720, 217327440]

約数ペア:

[(1, 217327440), (2, 108663720), (3, 72442480), (4, 54331860), (5, 43465488), (6, 36221240), (8, 27165930), (10, 21732744), (11, 19757040), (12, 18110620), (15, 14488496), (16, 13582965), (20, 10866372), (22, 9878520), (24, 9055310), (30, 7244248), (33, 6585680), (40, 5433186), (44, 4939260), (48, 4527655), (55, 3951408), (60, 3622124), (66, 3292840), (80, 2716593), (88, 2469630), (110, 1975704), (120, 1811062), (132, 1646420), (165, 1317136), (176, 1234815), (191, 1137840), (220, 987852), (240, 905531), (264, 823210), (330, 658568), (382, 568920), (431, 504240), (440, 493926), (528, 411605), (573, 379280), (660, 329284), (764, 284460), (862, 252120), (880, 246963), (955, 227568), (1146, 189640), (1293, 168080), (1320, 164642), (1528, 142230), (1724, 126060), (1910, 113784), (2101, 103440), (2155, 100848), (2292, 94820), (2586, 84040), (2640, 82321), (2865, 75856), (3056, 71115), (3448, 63030), (3820, 56892), (4202, 51720), (4310, 50424), (4584, 47410), (4741, 45840), (5172, 42020), (5730, 37928), (6303, 34480), (6465, 33616), (6896, 31515), (7640, 28446), (8404, 25860), (8620, 25212), (9168, 23705), (9482, 22920), (10344, 21010), (10505, 20688), (11460, 18964), (12606, 17240), (12930, 16808), (14223, 15280)]