20280965320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{4903}}^1$

素因数の和:5028

約数の個数: 256

約数和(自身を含む): 61013606400

約数和(自身を除く): 40732641080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 79, 85, 88, 110, 119, 136, 140, 154, 158, 170, 187, 220, 238, 280, 308, 316, 340, 374, 385, 395, 440, 476, 553, 595, 616, 632, 680, 748, 770, 790, 869, 935, 952, 1106, 1190, 1309, 1343, 1496, 1540, 1580, 1738, 1870, 2212, 2380, 2618, 2686, 2765, 3080, 3160, 3476, 3740, 4345, 4424, 4760, 4903, 5236, 5372, 5530, 6083, 6545, 6715, 6952, 7480, 8690, 9401, 9806, 10472, 10744, 11060, 12166, 13090, 13430, 14773, 17380, 18802, 19612, 22120, 24332, 24515, 26180, 26860, 29546, 30415, 34321, 34760, 37604, 39224, 47005, 48664, 49030, 52360, 53720, 53933, 59092, 60830, 68642, 73865, 75208, 83351, 94010, 98060, 103411, 107866, 118184, 121660, 137284, 147730, 166702, 171605, 188020, 196120, 206822, 215732, 243320, 269665, 274568, 295460, 333404, 343210, 376040, 377531, 387337, 413644, 416755, 431464, 517055, 539330, 583457, 590920, 666808, 686420, 755062, 774674, 827288, 833510, 916861, 1034110, 1078660, 1166914, 1372840, 1510124, 1549348, 1667020, 1833722, 1887655, 1936685, 2068220, 2157320, 2333828, 2711359, 2917285, 3020248, 3098696, 3334040, 3667444, 3775310, 3873370, 4136440, 4260707, 4584305, 4667656, 5422718, 5834570, 6418027, 6584729, 7334888, 7550620, 7746740, 8521414, 9168610, 10845436, 11669140, 12836054, 13169458, 13556795, 15101240, 15493480, 17042828, 18337220, 21303535, 21690872, 23338280, 25672108, 26338916, 27113590, 29824949, 32090135, 32923645, 34085656, 36674440, 42607070, 46093103, 51344216, 52677832, 54227180, 59649898, 64180270, 65847290, 72432019, 85214140, 92186206, 108454360, 119299796, 128360540, 131694580, 144864038, 149124745, 170428280, 184372412, 230465515, 238599592, 256721080, 263389160, 289728076, 298249490, 362160095, 368744824, 460931030, 507024133, 579456152, 596498980, 724320190, 921862060, 1014048266, 1192997960, 1448640380, 1843724120, 2028096532, 2535120665, 2897280760, 4056193064, 5070241330, 10140482660, 20280965320]

約数ペア:

[(1, 20280965320), (2, 10140482660), (4, 5070241330), (5, 4056193064), (7, 2897280760), (8, 2535120665), (10, 2028096532), (11, 1843724120), (14, 1448640380), (17, 1192997960), (20, 1014048266), (22, 921862060), (28, 724320190), (34, 596498980), (35, 579456152), (40, 507024133), (44, 460931030), (55, 368744824), (56, 362160095), (68, 298249490), (70, 289728076), (77, 263389160), (79, 256721080), (85, 238599592), (88, 230465515), (110, 184372412), (119, 170428280), (136, 149124745), (140, 144864038), (154, 131694580), (158, 128360540), (170, 119299796), (187, 108454360), (220, 92186206), (238, 85214140), (280, 72432019), (308, 65847290), (316, 64180270), (340, 59649898), (374, 54227180), (385, 52677832), (395, 51344216), (440, 46093103), (476, 42607070), (553, 36674440), (595, 34085656), (616, 32923645), (632, 32090135), (680, 29824949), (748, 27113590), (770, 26338916), (790, 25672108), (869, 23338280), (935, 21690872), (952, 21303535), (1106, 18337220), (1190, 17042828), (1309, 15493480), (1343, 15101240), (1496, 13556795), (1540, 13169458), (1580, 12836054), (1738, 11669140), (1870, 10845436), (2212, 9168610), (2380, 8521414), (2618, 7746740), (2686, 7550620), (2765, 7334888), (3080, 6584729), (3160, 6418027), (3476, 5834570), (3740, 5422718), (4345, 4667656), (4424, 4584305), (4760, 4260707), (4903, 4136440), (5236, 3873370), (5372, 3775310), (5530, 3667444), (6083, 3334040), (6545, 3098696), (6715, 3020248), (6952, 2917285), (7480, 2711359), (8690, 2333828), (9401, 2157320), (9806, 2068220), (10472, 1936685), (10744, 1887655), (11060, 1833722), (12166, 1667020), (13090, 1549348), (13430, 1510124), (14773, 1372840), (17380, 1166914), (18802, 1078660), (19612, 1034110), (22120, 916861), (24332, 833510), (24515, 827288), (26180, 774674), (26860, 755062), (29546, 686420), (30415, 666808), (34321, 590920), (34760, 583457), (37604, 539330), (39224, 517055), (47005, 431464), (48664, 416755), (49030, 413644), (52360, 387337), (53720, 377531), (53933, 376040), (59092, 343210), (60830, 333404), (68642, 295460), (73865, 274568), (75208, 269665), (83351, 243320), (94010, 215732), (98060, 206822), (103411, 196120), (107866, 188020), (118184, 171605), (121660, 166702), (137284, 147730)]