649884840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28961}}^1$

素因数の和:29003

約数の個数: 128

約数和(自身を含む): 2252085120

約数和(自身を除く): 1602200280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3740, 4488, 5610, 7480, 11220, 22440, 28961, 57922, 86883, 115844, 144805, 173766, 231688, 289610, 318571, 347532, 434415, 492337, 579220, 637142, 695064, 868830, 955713, 984674, 1158440, 1274284, 1477011, 1592855, 1737660, 1911426, 1969348, 2461685, 2548568, 2954022, 3185710, 3475320, 3822852, 3938696, 4778565, 4923370, 5415707, 5908044, 6371420, 7385055, 7645704, 9557130, 9846740, 10831414, 11816088, 12742840, 14770110, 16247121, 19114260, 19693480, 21662828, 27078535, 29540220, 32494242, 38228520, 43325656, 54157070, 59080440, 64988484, 81235605, 108314140, 129976968, 162471210, 216628280, 324942420, 649884840]

約数ペア:

[(1, 649884840), (2, 324942420), (3, 216628280), (4, 162471210), (5, 129976968), (6, 108314140), (8, 81235605), (10, 64988484), (11, 59080440), (12, 54157070), (15, 43325656), (17, 38228520), (20, 32494242), (22, 29540220), (24, 27078535), (30, 21662828), (33, 19693480), (34, 19114260), (40, 16247121), (44, 14770110), (51, 12742840), (55, 11816088), (60, 10831414), (66, 9846740), (68, 9557130), (85, 7645704), (88, 7385055), (102, 6371420), (110, 5908044), (120, 5415707), (132, 4923370), (136, 4778565), (165, 3938696), (170, 3822852), (187, 3475320), (204, 3185710), (220, 2954022), (255, 2548568), (264, 2461685), (330, 1969348), (340, 1911426), (374, 1737660), (408, 1592855), (440, 1477011), (510, 1274284), (561, 1158440), (660, 984674), (680, 955713), (748, 868830), (935, 695064), (1020, 637142), (1122, 579220), (1320, 492337), (1496, 434415), (1870, 347532), (2040, 318571), (2244, 289610), (2805, 231688), (3740, 173766), (4488, 144805), (5610, 115844), (7480, 86883), (11220, 57922), (22440, 28961)]