6720781900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4663}}^1$

素因数の和:4784

約数の個数: 144

約数和(自身を含む): 17488880640

約数和(自身を除く): 10768098740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 71, 100, 116, 140, 142, 145, 175, 203, 284, 290, 350, 355, 406, 497, 580, 700, 710, 725, 812, 994, 1015, 1420, 1450, 1775, 1988, 2030, 2059, 2485, 2900, 3550, 4060, 4118, 4663, 4970, 5075, 7100, 8236, 9326, 9940, 10150, 10295, 12425, 14413, 18652, 20300, 20590, 23315, 24850, 28826, 32641, 41180, 46630, 49700, 51475, 57652, 65282, 72065, 93260, 102950, 116575, 130564, 135227, 144130, 163205, 205900, 233150, 270454, 288260, 326410, 331073, 360325, 466300, 540908, 652820, 662146, 676135, 720650, 816025, 946589, 1324292, 1352270, 1441300, 1632050, 1655365, 1893178, 2317511, 2704540, 3264100, 3310730, 3380675, 3786356, 4635022, 4732945, 6621460, 6761350, 8276825, 9270044, 9465890, 9601117, 11587555, 13522700, 16553650, 18931780, 19202234, 23175110, 23664725, 33107300, 38404468, 46350220, 47329450, 48005585, 57937775, 67207819, 94658900, 96011170, 115875550, 134415638, 192022340, 231751100, 240027925, 268831276, 336039095, 480055850, 672078190, 960111700, 1344156380, 1680195475, 3360390950, 6720781900]

約数ペア:

[(1, 6720781900), (2, 3360390950), (4, 1680195475), (5, 1344156380), (7, 960111700), (10, 672078190), (14, 480055850), (20, 336039095), (25, 268831276), (28, 240027925), (29, 231751100), (35, 192022340), (50, 134415638), (58, 115875550), (70, 96011170), (71, 94658900), (100, 67207819), (116, 57937775), (140, 48005585), (142, 47329450), (145, 46350220), (175, 38404468), (203, 33107300), (284, 23664725), (290, 23175110), (350, 19202234), (355, 18931780), (406, 16553650), (497, 13522700), (580, 11587555), (700, 9601117), (710, 9465890), (725, 9270044), (812, 8276825), (994, 6761350), (1015, 6621460), (1420, 4732945), (1450, 4635022), (1775, 3786356), (1988, 3380675), (2030, 3310730), (2059, 3264100), (2485, 2704540), (2900, 2317511), (3550, 1893178), (4060, 1655365), (4118, 1632050), (4663, 1441300), (4970, 1352270), (5075, 1324292), (7100, 946589), (8236, 816025), (9326, 720650), (9940, 676135), (10150, 662146), (10295, 652820), (12425, 540908), (14413, 466300), (18652, 360325), (20300, 331073), (20590, 326410), (23315, 288260), (24850, 270454), (28826, 233150), (32641, 205900), (41180, 163205), (46630, 144130), (49700, 135227), (51475, 130564), (57652, 116575), (65282, 102950), (72065, 93260)]