20802520620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:789

約数の個数: 288

約数和(自身を含む): 72971877888

約数和(自身を除く): 52169357268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 227, 252, 257, 283, 315, 420, 454, 514, 566, 630, 681, 771, 849, 908, 1028, 1132, 1135, 1260, 1285, 1362, 1415, 1542, 1589, 1698, 1799, 1981, 2043, 2270, 2313, 2547, 2570, 2724, 2830, 3084, 3178, 3396, 3405, 3598, 3855, 3962, 4086, 4245, 4540, 4626, 4767, 5094, 5140, 5397, 5660, 5943, 6356, 6810, 7196, 7710, 7924, 7945, 8172, 8490, 8995, 9252, 9534, 9905, 10188, 10215, 10794, 11565, 11886, 12735, 13620, 14301, 15420, 15890, 16191, 16980, 17829, 17990, 19068, 19810, 20430, 21588, 23130, 23772, 23835, 25470, 26985, 28602, 29715, 31780, 32382, 35658, 35980, 39620, 40860, 46260, 47670, 50940, 53970, 57204, 58339, 59430, 64241, 64764, 71316, 71505, 72731, 80955, 89145, 95340, 107940, 116678, 118860, 128482, 143010, 145462, 161910, 175017, 178290, 192723, 218193, 233356, 256964, 286020, 290924, 291695, 321205, 323820, 350034, 356580, 363655, 385446, 408373, 436386, 449687, 509117, 525051, 578169, 583390, 642410, 654579, 700068, 727310, 770892, 816746, 872772, 875085, 899374, 963615, 1018234, 1050102, 1090965, 1156338, 1166780, 1225119, 1284820, 1309158, 1349061, 1454620, 1527351, 1633492, 1750170, 1798748, 1927230, 2036468, 2041865, 2100204, 2181930, 2248435, 2312676, 2450238, 2545585, 2618316, 2625255, 2698122, 2890845, 3054702, 3272895, 3500340, 3675357, 3854460, 4047183, 4083730, 4363860, 4496870, 4582053, 4900476, 5091170, 5250510, 5396244, 5781690, 6109404, 6125595, 6545790, 6745305, 7350714, 7636755, 8094366, 8167460, 8993740, 9164106, 10182340, 10501020, 11563380, 12251190, 13091580, 13490610, 14701428, 15273510, 16188732, 16509937, 18328212, 18376785, 20235915, 22910265, 24502380, 26981220, 30547020, 33019874, 36753570, 40471830, 45820530, 49529811, 66039748, 73507140, 80943660, 82549685, 91641060, 99059622, 115569559, 148589433, 165099370, 198119244, 231139118, 247649055, 297178866, 330198740, 346708677, 462278236, 495298110, 577847795, 594357732, 693417354, 742947165, 990596220, 1040126031, 1155695590, 1386834708, 1485894330, 1733543385, 2080252062, 2311391180, 2971788660, 3467086770, 4160504124, 5200630155, 6934173540, 10401260310, 20802520620]

約数ペア:

[(1, 20802520620), (2, 10401260310), (3, 6934173540), (4, 5200630155), (5, 4160504124), (6, 3467086770), (7, 2971788660), (9, 2311391180), (10, 2080252062), (12, 1733543385), (14, 1485894330), (15, 1386834708), (18, 1155695590), (20, 1040126031), (21, 990596220), (28, 742947165), (30, 693417354), (35, 594357732), (36, 577847795), (42, 495298110), (45, 462278236), (60, 346708677), (63, 330198740), (70, 297178866), (84, 247649055), (90, 231139118), (105, 198119244), (126, 165099370), (140, 148589433), (180, 115569559), (210, 99059622), (227, 91641060), (252, 82549685), (257, 80943660), (283, 73507140), (315, 66039748), (420, 49529811), (454, 45820530), (514, 40471830), (566, 36753570), (630, 33019874), (681, 30547020), (771, 26981220), (849, 24502380), (908, 22910265), (1028, 20235915), (1132, 18376785), (1135, 18328212), (1260, 16509937), (1285, 16188732), (1362, 15273510), (1415, 14701428), (1542, 13490610), (1589, 13091580), (1698, 12251190), (1799, 11563380), (1981, 10501020), (2043, 10182340), (2270, 9164106), (2313, 8993740), (2547, 8167460), (2570, 8094366), (2724, 7636755), (2830, 7350714), (3084, 6745305), (3178, 6545790), (3396, 6125595), (3405, 6109404), (3598, 5781690), (3855, 5396244), (3962, 5250510), (4086, 5091170), (4245, 4900476), (4540, 4582053), (4626, 4496870), (4767, 4363860), (5094, 4083730), (5140, 4047183), (5397, 3854460), (5660, 3675357), (5943, 3500340), (6356, 3272895), (6810, 3054702), (7196, 2890845), (7710, 2698122), (7924, 2625255), (7945, 2618316), (8172, 2545585), (8490, 2450238), (8995, 2312676), (9252, 2248435), (9534, 2181930), (9905, 2100204), (10188, 2041865), (10215, 2036468), (10794, 1927230), (11565, 1798748), (11886, 1750170), (12735, 1633492), (13620, 1527351), (14301, 1454620), (15420, 1349061), (15890, 1309158), (16191, 1284820), (16980, 1225119), (17829, 1166780), (17990, 1156338), (19068, 1090965), (19810, 1050102), (20430, 1018234), (21588, 963615), (23130, 899374), (23772, 875085), (23835, 872772), (25470, 816746), (26985, 770892), (28602, 727310), (29715, 700068), (31780, 654579), (32382, 642410), (35658, 583390), (35980, 578169), (39620, 525051), (40860, 509117), (46260, 449687), (47670, 436386), (50940, 408373), (53970, 385446), (57204, 363655), (58339, 356580), (59430, 350034), (64241, 323820), (64764, 321205), (71316, 291695), (71505, 290924), (72731, 286020), (80955, 256964), (89145, 233356), (95340, 218193), (107940, 192723), (116678, 178290), (118860, 175017), (128482, 161910), (143010, 145462)]