311243460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1074

約数の個数: 144

約数和(自身を含む): 981169728

約数和(自身を除く): 669926268

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 121, 129, 132, 165, 172, 215, 220, 242, 258, 330, 363, 430, 473, 484, 516, 605, 645, 660, 726, 860, 946, 997, 1210, 1290, 1419, 1452, 1815, 1892, 1994, 2365, 2420, 2580, 2838, 2991, 3630, 3988, 4730, 4985, 5203, 5676, 5982, 7095, 7260, 9460, 9970, 10406, 10967, 11964, 14190, 14955, 15609, 19940, 20812, 21934, 26015, 28380, 29910, 31218, 32901, 42871, 43868, 52030, 54835, 59820, 62436, 65802, 78045, 85742, 104060, 109670, 120637, 128613, 131604, 156090, 164505, 171484, 214355, 219340, 241274, 257226, 312180, 329010, 361911, 428710, 471581, 482548, 514452, 603185, 643065, 658020, 723822, 857420, 943162, 1206370, 1286130, 1414743, 1447644, 1809555, 1886324, 2357905, 2412740, 2572260, 2829486, 3619110, 4715810, 5187391, 5658972, 7073715, 7238220, 9431620, 10374782, 14147430, 15562173, 20749564, 25936955, 28294860, 31124346, 51873910, 62248692, 77810865, 103747820, 155621730, 311243460]

約数ペア:

[(1, 311243460), (2, 155621730), (3, 103747820), (4, 77810865), (5, 62248692), (6, 51873910), (10, 31124346), (11, 28294860), (12, 25936955), (15, 20749564), (20, 15562173), (22, 14147430), (30, 10374782), (33, 9431620), (43, 7238220), (44, 7073715), (55, 5658972), (60, 5187391), (66, 4715810), (86, 3619110), (110, 2829486), (121, 2572260), (129, 2412740), (132, 2357905), (165, 1886324), (172, 1809555), (215, 1447644), (220, 1414743), (242, 1286130), (258, 1206370), (330, 943162), (363, 857420), (430, 723822), (473, 658020), (484, 643065), (516, 603185), (605, 514452), (645, 482548), (660, 471581), (726, 428710), (860, 361911), (946, 329010), (997, 312180), (1210, 257226), (1290, 241274), (1419, 219340), (1452, 214355), (1815, 171484), (1892, 164505), (1994, 156090), (2365, 131604), (2420, 128613), (2580, 120637), (2838, 109670), (2991, 104060), (3630, 85742), (3988, 78045), (4730, 65802), (4985, 62436), (5203, 59820), (5676, 54835), (5982, 52030), (7095, 43868), (7260, 42871), (9460, 32901), (9970, 31218), (10406, 29910), (10967, 28380), (11964, 26015), (14190, 21934), (14955, 20812), (15609, 19940)]