20214771200

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2963}}^1$

素因数の和:3045

約数の個数: 240

約数和(自身を含む): 55270431216

約数和(自身を除く): 35055660016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 41, 50, 52, 64, 65, 80, 82, 100, 104, 128, 130, 160, 164, 200, 205, 208, 256, 260, 320, 325, 328, 400, 410, 416, 512, 520, 533, 640, 650, 656, 800, 820, 832, 1025, 1040, 1066, 1280, 1300, 1312, 1600, 1640, 1664, 2050, 2080, 2132, 2560, 2600, 2624, 2665, 2963, 3200, 3280, 3328, 4100, 4160, 4264, 5200, 5248, 5330, 5926, 6400, 6560, 6656, 8200, 8320, 8528, 10400, 10496, 10660, 11852, 12800, 13120, 13325, 14815, 16400, 16640, 17056, 20800, 20992, 21320, 23704, 26240, 26650, 29630, 32800, 33280, 34112, 38519, 41600, 42640, 47408, 52480, 53300, 59260, 65600, 68224, 74075, 77038, 83200, 85280, 94816, 104960, 106600, 118520, 121483, 131200, 136448, 148150, 154076, 166400, 170560, 189632, 192595, 213200, 237040, 242966, 262400, 272896, 296300, 308152, 341120, 379264, 385190, 426400, 474080, 485932, 524800, 592600, 607415, 616304, 682240, 758528, 770380, 852800, 948160, 962975, 971864, 1185200, 1214830, 1232608, 1364480, 1517056, 1540760, 1579279, 1705600, 1896320, 1925950, 1943728, 2370400, 2429660, 2465216, 3037075, 3081520, 3158558, 3411200, 3792640, 3851900, 3887456, 4740800, 4859320, 4930432, 6074150, 6163040, 6317116, 6822400, 7585280, 7703800, 7774912, 7896395, 9481600, 9718640, 9860864, 12148300, 12326080, 12634232, 15407600, 15549824, 15792790, 18963200, 19437280, 19721728, 24296600, 24652160, 25268464, 30815200, 31099648, 31585580, 37926400, 38874560, 39481975, 48593200, 49304320, 50536928, 61630400, 62199296, 63171160, 77749120, 78963950, 97186400, 98608640, 101073856, 123260800, 126342320, 155498240, 157927900, 194372800, 202147712, 246521600, 252684640, 310996480, 315855800, 388745600, 404295424, 493043200, 505369280, 631711600, 777491200, 808590848, 1010738560, 1263423200, 1554982400, 2021477120, 2526846400, 4042954240, 5053692800, 10107385600, 20214771200]

約数ペア:

[(1, 20214771200), (2, 10107385600), (4, 5053692800), (5, 4042954240), (8, 2526846400), (10, 2021477120), (13, 1554982400), (16, 1263423200), (20, 1010738560), (25, 808590848), (26, 777491200), (32, 631711600), (40, 505369280), (41, 493043200), (50, 404295424), (52, 388745600), (64, 315855800), (65, 310996480), (80, 252684640), (82, 246521600), (100, 202147712), (104, 194372800), (128, 157927900), (130, 155498240), (160, 126342320), (164, 123260800), (200, 101073856), (205, 98608640), (208, 97186400), (256, 78963950), (260, 77749120), (320, 63171160), (325, 62199296), (328, 61630400), (400, 50536928), (410, 49304320), (416, 48593200), (512, 39481975), (520, 38874560), (533, 37926400), (640, 31585580), (650, 31099648), (656, 30815200), (800, 25268464), (820, 24652160), (832, 24296600), (1025, 19721728), (1040, 19437280), (1066, 18963200), (1280, 15792790), (1300, 15549824), (1312, 15407600), (1600, 12634232), (1640, 12326080), (1664, 12148300), (2050, 9860864), (2080, 9718640), (2132, 9481600), (2560, 7896395), (2600, 7774912), (2624, 7703800), (2665, 7585280), (2963, 6822400), (3200, 6317116), (3280, 6163040), (3328, 6074150), (4100, 4930432), (4160, 4859320), (4264, 4740800), (5200, 3887456), (5248, 3851900), (5330, 3792640), (5926, 3411200), (6400, 3158558), (6560, 3081520), (6656, 3037075), (8200, 2465216), (8320, 2429660), (8528, 2370400), (10400, 1943728), (10496, 1925950), (10660, 1896320), (11852, 1705600), (12800, 1579279), (13120, 1540760), (13325, 1517056), (14815, 1364480), (16400, 1232608), (16640, 1214830), (17056, 1185200), (20800, 971864), (20992, 962975), (21320, 948160), (23704, 852800), (26240, 770380), (26650, 758528), (29630, 682240), (32800, 616304), (33280, 607415), (34112, 592600), (38519, 524800), (41600, 485932), (42640, 474080), (47408, 426400), (52480, 385190), (53300, 379264), (59260, 341120), (65600, 308152), (68224, 296300), (74075, 272896), (77038, 262400), (83200, 242966), (85280, 237040), (94816, 213200), (104960, 192595), (106600, 189632), (118520, 170560), (121483, 166400), (131200, 154076), (136448, 148150)]