81440700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:117

約数の個数: 288

約数和(自身を含む): 284981760

約数和(自身を除く): 203541060

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 25, 29, 30, 33, 37, 44, 46, 50, 55, 58, 60, 66, 69, 74, 75, 87, 92, 100, 110, 111, 115, 116, 132, 138, 145, 148, 150, 165, 174, 185, 220, 222, 230, 253, 275, 276, 290, 300, 319, 330, 345, 348, 370, 407, 435, 444, 460, 506, 550, 555, 575, 580, 638, 660, 667, 690, 725, 740, 759, 814, 825, 851, 870, 925, 957, 1012, 1073, 1100, 1110, 1150, 1221, 1265, 1276, 1334, 1380, 1450, 1518, 1595, 1628, 1650, 1702, 1725, 1740, 1850, 1914, 2001, 2035, 2146, 2175, 2220, 2300, 2442, 2530, 2553, 2668, 2775, 2900, 3036, 3190, 3219, 3300, 3335, 3404, 3450, 3700, 3795, 3828, 4002, 4070, 4255, 4292, 4350, 4785, 4884, 5060, 5106, 5365, 5550, 6105, 6325, 6380, 6438, 6670, 6900, 7337, 7590, 7975, 8004, 8140, 8510, 8700, 9361, 9570, 10005, 10175, 10212, 10730, 11100, 11803, 12210, 12650, 12765, 12876, 13340, 14674, 15180, 15950, 16095, 16675, 17020, 18722, 18975, 19140, 20010, 20350, 21275, 21460, 22011, 23606, 23925, 24420, 24679, 25300, 25530, 26825, 28083, 29348, 30525, 31900, 32190, 33350, 35409, 36685, 37444, 37950, 40020, 40700, 42550, 44022, 46805, 47212, 47850, 49358, 50025, 51060, 53650, 56166, 59015, 61050, 63825, 64380, 66700, 70818, 73370, 74037, 75900, 80475, 85100, 88044, 93610, 95700, 98716, 100050, 107300, 110055, 112332, 118030, 122100, 123395, 127650, 140415, 141636, 146740, 148074, 160950, 177045, 183425, 187220, 200100, 220110, 234025, 236060, 246790, 255300, 271469, 280830, 295075, 296148, 321900, 354090, 366850, 370185, 440220, 468050, 493580, 542938, 550275, 561660, 590150, 616975, 702075, 708180, 733700, 740370, 814407, 885225, 936100, 1085876, 1100550, 1180300, 1233950, 1357345, 1404150, 1480740, 1628814, 1770450, 1850925, 2201100, 2467900, 2714690, 2808300, 3257628, 3540900, 3701850, 4072035, 5429380, 6786725, 7403700, 8144070, 13573450, 16288140, 20360175, 27146900, 40720350, 81440700]

約数ペア:

[(1, 81440700), (2, 40720350), (3, 27146900), (4, 20360175), (5, 16288140), (6, 13573450), (10, 8144070), (11, 7403700), (12, 6786725), (15, 5429380), (20, 4072035), (22, 3701850), (23, 3540900), (25, 3257628), (29, 2808300), (30, 2714690), (33, 2467900), (37, 2201100), (44, 1850925), (46, 1770450), (50, 1628814), (55, 1480740), (58, 1404150), (60, 1357345), (66, 1233950), (69, 1180300), (74, 1100550), (75, 1085876), (87, 936100), (92, 885225), (100, 814407), (110, 740370), (111, 733700), (115, 708180), (116, 702075), (132, 616975), (138, 590150), (145, 561660), (148, 550275), (150, 542938), (165, 493580), (174, 468050), (185, 440220), (220, 370185), (222, 366850), (230, 354090), (253, 321900), (275, 296148), (276, 295075), (290, 280830), (300, 271469), (319, 255300), (330, 246790), (345, 236060), (348, 234025), (370, 220110), (407, 200100), (435, 187220), (444, 183425), (460, 177045), (506, 160950), (550, 148074), (555, 146740), (575, 141636), (580, 140415), (638, 127650), (660, 123395), (667, 122100), (690, 118030), (725, 112332), (740, 110055), (759, 107300), (814, 100050), (825, 98716), (851, 95700), (870, 93610), (925, 88044), (957, 85100), (1012, 80475), (1073, 75900), (1100, 74037), (1110, 73370), (1150, 70818), (1221, 66700), (1265, 64380), (1276, 63825), (1334, 61050), (1380, 59015), (1450, 56166), (1518, 53650), (1595, 51060), (1628, 50025), (1650, 49358), (1702, 47850), (1725, 47212), (1740, 46805), (1850, 44022), (1914, 42550), (2001, 40700), (2035, 40020), (2146, 37950), (2175, 37444), (2220, 36685), (2300, 35409), (2442, 33350), (2530, 32190), (2553, 31900), (2668, 30525), (2775, 29348), (2900, 28083), (3036, 26825), (3190, 25530), (3219, 25300), (3300, 24679), (3335, 24420), (3404, 23925), (3450, 23606), (3700, 22011), (3795, 21460), (3828, 21275), (4002, 20350), (4070, 20010), (4255, 19140), (4292, 18975), (4350, 18722), (4785, 17020), (4884, 16675), (5060, 16095), (5106, 15950), (5365, 15180), (5550, 14674), (6105, 13340), (6325, 12876), (6380, 12765), (6438, 12650), (6670, 12210), (6900, 11803), (7337, 11100), (7590, 10730), (7975, 10212), (8004, 10175), (8140, 10005), (8510, 9570), (8700, 9361)]