20181272970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{2251}}^1$

素因数の和:2536

約数の個数: 128

約数和(自身を含む): 51238801152

約数和(自身を除く): 31057528182

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 41, 74, 82, 111, 123, 185, 197, 205, 222, 246, 370, 394, 410, 555, 591, 615, 985, 1110, 1182, 1230, 1517, 1970, 2251, 2955, 3034, 4502, 4551, 5910, 6753, 7289, 7585, 8077, 9102, 11255, 13506, 14578, 15170, 16154, 21867, 22510, 22755, 24231, 33765, 36445, 40385, 43734, 45510, 48462, 67530, 72890, 80770, 83287, 92291, 109335, 121155, 166574, 184582, 218670, 242310, 249861, 276873, 298849, 416435, 443447, 461455, 499722, 553746, 597698, 832870, 886894, 896547, 922910, 1249305, 1330341, 1384365, 1494245, 1793094, 2217235, 2498610, 2660682, 2768730, 2988490, 3414767, 4434470, 4482735, 6651705, 6829534, 8965470, 10244301, 13303410, 16407539, 17073835, 18181327, 20488602, 32815078, 34147670, 36362654, 49222617, 51221505, 54543981, 82037695, 90906635, 98445234, 102443010, 109087962, 164075390, 181813270, 246113085, 272719905, 492226170, 545439810, 672709099, 1345418198, 2018127297, 3363545495, 4036254594, 6727090990, 10090636485, 20181272970]

約数ペア:

[(1, 20181272970), (2, 10090636485), (3, 6727090990), (5, 4036254594), (6, 3363545495), (10, 2018127297), (15, 1345418198), (30, 672709099), (37, 545439810), (41, 492226170), (74, 272719905), (82, 246113085), (111, 181813270), (123, 164075390), (185, 109087962), (197, 102443010), (205, 98445234), (222, 90906635), (246, 82037695), (370, 54543981), (394, 51221505), (410, 49222617), (555, 36362654), (591, 34147670), (615, 32815078), (985, 20488602), (1110, 18181327), (1182, 17073835), (1230, 16407539), (1517, 13303410), (1970, 10244301), (2251, 8965470), (2955, 6829534), (3034, 6651705), (4502, 4482735), (4551, 4434470), (5910, 3414767), (6753, 2988490), (7289, 2768730), (7585, 2660682), (8077, 2498610), (9102, 2217235), (11255, 1793094), (13506, 1494245), (14578, 1384365), (15170, 1330341), (16154, 1249305), (21867, 922910), (22510, 896547), (22755, 886894), (24231, 832870), (33765, 597698), (36445, 553746), (40385, 499722), (43734, 461455), (45510, 443447), (48462, 416435), (67530, 298849), (72890, 276873), (80770, 249861), (83287, 242310), (92291, 218670), (109335, 184582), (121155, 166574)]