20199378960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{459913}}^1$

素因数の和:459993

約数の個数: 120

約数和(自身を含む): 68948467224

約数和(自身を除く): 48749088264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 21960, 43920, 459913, 919826, 1379739, 1839652, 2299565, 2759478, 3679304, 4139217, 4599130, 5518956, 6898695, 7358608, 8278434, 9198260, 11037912, 13797390, 16556868, 18396520, 20696085, 22075824, 27594780, 28054693, 33113736, 36793040, 41392170, 55189560, 56109386, 66227472, 82784340, 84164079, 110379120, 112218772, 140273465, 165568680, 168328158, 224437544, 252492237, 280546930, 331137360, 336656316, 420820395, 448875088, 504984474, 561093860, 673312632, 841640790, 1009968948, 1122187720, 1262461185, 1346625264, 1683281580, 2019937896, 2244375440, 2524922370, 3366563160, 4039875792, 5049844740, 6733126320, 10099689480, 20199378960]

約数ペア:

[(1, 20199378960), (2, 10099689480), (3, 6733126320), (4, 5049844740), (5, 4039875792), (6, 3366563160), (8, 2524922370), (9, 2244375440), (10, 2019937896), (12, 1683281580), (15, 1346625264), (16, 1262461185), (18, 1122187720), (20, 1009968948), (24, 841640790), (30, 673312632), (36, 561093860), (40, 504984474), (45, 448875088), (48, 420820395), (60, 336656316), (61, 331137360), (72, 280546930), (80, 252492237), (90, 224437544), (120, 168328158), (122, 165568680), (144, 140273465), (180, 112218772), (183, 110379120), (240, 84164079), (244, 82784340), (305, 66227472), (360, 56109386), (366, 55189560), (488, 41392170), (549, 36793040), (610, 33113736), (720, 28054693), (732, 27594780), (915, 22075824), (976, 20696085), (1098, 18396520), (1220, 16556868), (1464, 13797390), (1830, 11037912), (2196, 9198260), (2440, 8278434), (2745, 7358608), (2928, 6898695), (3660, 5518956), (4392, 4599130), (4880, 4139217), (5490, 3679304), (7320, 2759478), (8784, 2299565), (10980, 1839652), (14640, 1379739), (21960, 919826), (43920, 459913)]