1981359900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2971}}^1$

素因数の和:3026

約数の個数: 288

約数和(自身を含む): 7223148800

約数和(自身を除く): 5241788900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 25, 26, 27, 30, 36, 38, 39, 45, 50, 52, 54, 57, 60, 65, 75, 76, 78, 90, 95, 100, 108, 114, 117, 130, 135, 150, 156, 171, 180, 190, 195, 225, 228, 234, 247, 260, 270, 285, 300, 325, 342, 351, 380, 390, 450, 468, 475, 494, 513, 540, 570, 585, 650, 675, 684, 702, 741, 780, 855, 900, 950, 975, 988, 1026, 1140, 1170, 1235, 1300, 1350, 1404, 1425, 1482, 1710, 1755, 1900, 1950, 2052, 2223, 2340, 2470, 2565, 2700, 2850, 2925, 2964, 2971, 3420, 3510, 3705, 3900, 4275, 4446, 4940, 5130, 5700, 5850, 5942, 6175, 6669, 7020, 7410, 8550, 8775, 8892, 8913, 10260, 11115, 11700, 11884, 12350, 12825, 13338, 14820, 14855, 17100, 17550, 17826, 18525, 22230, 24700, 25650, 26676, 26739, 29710, 33345, 35100, 35652, 37050, 38623, 44460, 44565, 51300, 53478, 55575, 56449, 59420, 66690, 74100, 74275, 77246, 80217, 89130, 106956, 111150, 112898, 115869, 133380, 133695, 148550, 154492, 160434, 166725, 169347, 178260, 193115, 222300, 222825, 225796, 231738, 267390, 282245, 297100, 320868, 333450, 338694, 347607, 386230, 401085, 445650, 463476, 508041, 534780, 564490, 579345, 666900, 668475, 677388, 695214, 733837, 772460, 802170, 846735, 891300, 965575, 1016082, 1042821, 1128980, 1158690, 1336950, 1390428, 1411225, 1467674, 1524123, 1604340, 1693470, 1738035, 1931150, 2005425, 2032164, 2085642, 2201511, 2317380, 2540205, 2673900, 2822450, 2896725, 2935348, 3048246, 3386940, 3476070, 3669185, 3862300, 4010850, 4171284, 4233675, 4403022, 5080410, 5214105, 5644900, 5793450, 6096492, 6604533, 6952140, 7338370, 7620615, 8021700, 8467350, 8690175, 8806044, 10160820, 10428210, 11007555, 11586900, 12701025, 13209066, 14676740, 15241230, 16934700, 17380350, 18345925, 19813599, 20856420, 22015110, 25402050, 26070525, 26418132, 30482460, 33022665, 34760700, 36691850, 38103075, 39627198, 44030220, 50804100, 52141050, 55037775, 66045330, 73383700, 76206150, 79254396, 99067995, 104282100, 110075550, 132090660, 152412300, 165113325, 198135990, 220151100, 330226650, 396271980, 495339975, 660453300, 990679950, 1981359900]

約数ペア:

[(1, 1981359900), (2, 990679950), (3, 660453300), (4, 495339975), (5, 396271980), (6, 330226650), (9, 220151100), (10, 198135990), (12, 165113325), (13, 152412300), (15, 132090660), (18, 110075550), (19, 104282100), (20, 99067995), (25, 79254396), (26, 76206150), (27, 73383700), (30, 66045330), (36, 55037775), (38, 52141050), (39, 50804100), (45, 44030220), (50, 39627198), (52, 38103075), (54, 36691850), (57, 34760700), (60, 33022665), (65, 30482460), (75, 26418132), (76, 26070525), (78, 25402050), (90, 22015110), (95, 20856420), (100, 19813599), (108, 18345925), (114, 17380350), (117, 16934700), (130, 15241230), (135, 14676740), (150, 13209066), (156, 12701025), (171, 11586900), (180, 11007555), (190, 10428210), (195, 10160820), (225, 8806044), (228, 8690175), (234, 8467350), (247, 8021700), (260, 7620615), (270, 7338370), (285, 6952140), (300, 6604533), (325, 6096492), (342, 5793450), (351, 5644900), (380, 5214105), (390, 5080410), (450, 4403022), (468, 4233675), (475, 4171284), (494, 4010850), (513, 3862300), (540, 3669185), (570, 3476070), (585, 3386940), (650, 3048246), (675, 2935348), (684, 2896725), (702, 2822450), (741, 2673900), (780, 2540205), (855, 2317380), (900, 2201511), (950, 2085642), (975, 2032164), (988, 2005425), (1026, 1931150), (1140, 1738035), (1170, 1693470), (1235, 1604340), (1300, 1524123), (1350, 1467674), (1404, 1411225), (1425, 1390428), (1482, 1336950), (1710, 1158690), (1755, 1128980), (1900, 1042821), (1950, 1016082), (2052, 965575), (2223, 891300), (2340, 846735), (2470, 802170), (2565, 772460), (2700, 733837), (2850, 695214), (2925, 677388), (2964, 668475), (2971, 666900), (3420, 579345), (3510, 564490), (3705, 534780), (3900, 508041), (4275, 463476), (4446, 445650), (4940, 401085), (5130, 386230), (5700, 347607), (5850, 338694), (5942, 333450), (6175, 320868), (6669, 297100), (7020, 282245), (7410, 267390), (8550, 231738), (8775, 225796), (8892, 222825), (8913, 222300), (10260, 193115), (11115, 178260), (11700, 169347), (11884, 166725), (12350, 160434), (12825, 154492), (13338, 148550), (14820, 133695), (14855, 133380), (17100, 115869), (17550, 112898), (17826, 111150), (18525, 106956), (22230, 89130), (24700, 80217), (25650, 77246), (26676, 74275), (26739, 74100), (29710, 66690), (33345, 59420), (35100, 56449), (35652, 55575), (37050, 53478), (38623, 51300), (44460, 44565)]