64781010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 200760768

約数和(自身を除く): 135979758

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 107, 126, 155, 186, 210, 214, 217, 279, 310, 315, 321, 434, 465, 535, 558, 630, 642, 651, 749, 930, 961, 963, 1070, 1085, 1302, 1395, 1498, 1605, 1922, 1926, 1953, 2170, 2247, 2790, 2883, 3210, 3255, 3317, 3745, 3906, 4494, 4805, 4815, 5766, 6510, 6634, 6727, 6741, 7490, 8649, 9610, 9630, 9765, 9951, 11235, 13454, 13482, 14415, 16585, 17298, 19530, 19902, 20181, 22470, 23219, 28830, 29853, 33170, 33635, 33705, 40362, 43245, 46438, 49755, 59706, 60543, 67270, 67410, 69657, 86490, 99510, 100905, 102827, 116095, 121086, 139314, 149265, 201810, 205654, 208971, 232190, 298530, 302715, 308481, 348285, 417942, 514135, 605430, 616962, 696570, 719789, 925443, 1028270, 1044855, 1439578, 1542405, 1850886, 2089710, 2159367, 3084810, 3598945, 4318734, 4627215, 6478101, 7197890, 9254430, 10796835, 12956202, 21593670, 32390505, 64781010]

約数ペア:

[(1, 64781010), (2, 32390505), (3, 21593670), (5, 12956202), (6, 10796835), (7, 9254430), (9, 7197890), (10, 6478101), (14, 4627215), (15, 4318734), (18, 3598945), (21, 3084810), (30, 2159367), (31, 2089710), (35, 1850886), (42, 1542405), (45, 1439578), (62, 1044855), (63, 1028270), (70, 925443), (90, 719789), (93, 696570), (105, 616962), (107, 605430), (126, 514135), (155, 417942), (186, 348285), (210, 308481), (214, 302715), (217, 298530), (279, 232190), (310, 208971), (315, 205654), (321, 201810), (434, 149265), (465, 139314), (535, 121086), (558, 116095), (630, 102827), (642, 100905), (651, 99510), (749, 86490), (930, 69657), (961, 67410), (963, 67270), (1070, 60543), (1085, 59706), (1302, 49755), (1395, 46438), (1498, 43245), (1605, 40362), (1922, 33705), (1926, 33635), (1953, 33170), (2170, 29853), (2247, 28830), (2790, 23219), (2883, 22470), (3210, 20181), (3255, 19902), (3317, 19530), (3745, 17298), (3906, 16585), (4494, 14415), (4805, 13482), (4815, 13454), (5766, 11235), (6510, 9951), (6634, 9765), (6727, 9630), (6741, 9610), (7490, 8649)]