1720447740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21193}}^1$

素因数の和:21260

約数の個数: 144

約数和(自身を含む): 5832249696

約数和(自身を除く): 4111801956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 41, 44, 45, 55, 60, 66, 82, 90, 99, 110, 123, 132, 164, 165, 180, 198, 205, 220, 246, 330, 369, 396, 410, 451, 492, 495, 615, 660, 738, 820, 902, 990, 1230, 1353, 1476, 1804, 1845, 1980, 2255, 2460, 2706, 3690, 4059, 4510, 5412, 6765, 7380, 8118, 9020, 13530, 16236, 20295, 21193, 27060, 40590, 42386, 63579, 81180, 84772, 105965, 127158, 190737, 211930, 233123, 254316, 317895, 381474, 423860, 466246, 635790, 699369, 762948, 868913, 932492, 953685, 1165615, 1271580, 1398738, 1737826, 1907370, 2098107, 2331230, 2606739, 2797476, 3475652, 3496845, 3814740, 4196214, 4344565, 4662460, 5213478, 6993690, 7820217, 8392428, 8689130, 9558043, 10426956, 10490535, 13033695, 13987380, 15640434, 17378260, 19116086, 20981070, 26067390, 28674129, 31280868, 38232172, 39101085, 41962140, 47790215, 52134780, 57348258, 78202170, 86022387, 95580430, 114696516, 143370645, 156404340, 172044774, 191160860, 286741290, 344089548, 430111935, 573482580, 860223870, 1720447740]

約数ペア:

[(1, 1720447740), (2, 860223870), (3, 573482580), (4, 430111935), (5, 344089548), (6, 286741290), (9, 191160860), (10, 172044774), (11, 156404340), (12, 143370645), (15, 114696516), (18, 95580430), (20, 86022387), (22, 78202170), (30, 57348258), (33, 52134780), (36, 47790215), (41, 41962140), (44, 39101085), (45, 38232172), (55, 31280868), (60, 28674129), (66, 26067390), (82, 20981070), (90, 19116086), (99, 17378260), (110, 15640434), (123, 13987380), (132, 13033695), (164, 10490535), (165, 10426956), (180, 9558043), (198, 8689130), (205, 8392428), (220, 7820217), (246, 6993690), (330, 5213478), (369, 4662460), (396, 4344565), (410, 4196214), (451, 3814740), (492, 3496845), (495, 3475652), (615, 2797476), (660, 2606739), (738, 2331230), (820, 2098107), (902, 1907370), (990, 1737826), (1230, 1398738), (1353, 1271580), (1476, 1165615), (1804, 953685), (1845, 932492), (1980, 868913), (2255, 762948), (2460, 699369), (2706, 635790), (3690, 466246), (4059, 423860), (4510, 381474), (5412, 317895), (6765, 254316), (7380, 233123), (8118, 211930), (9020, 190737), (13530, 127158), (16236, 105965), (20295, 84772), (21193, 81180), (27060, 63579), (40590, 42386)]