51001020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2381}}^1$

素因数の和:2420

約数の個数: 144

約数和(自身を含む): 187282368

約数和(自身を除く): 136281348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 2381, 3060, 3570, 4284, 4762, 5355, 7140, 7143, 9524, 10710, 11905, 14286, 16667, 21420, 21429, 23810, 28572, 33334, 35715, 40477, 42858, 47620, 50001, 66668, 71430, 80954, 83335, 85716, 100002, 107145, 121431, 142860, 150003, 161908, 166670, 200004, 202385, 214290, 242862, 250005, 283339, 300006, 333340, 364293, 404770, 428580, 485724, 500010, 566678, 600012, 607155, 728586, 750015, 809540, 850017, 1000020, 1133356, 1214310, 1416695, 1457172, 1500030, 1700034, 1821465, 2428620, 2550051, 2833390, 3000060, 3400068, 3642930, 4250085, 5100102, 5666780, 7285860, 8500170, 10200204, 12750255, 17000340, 25500510, 51001020]

約数ペア:

[(1, 51001020), (2, 25500510), (3, 17000340), (4, 12750255), (5, 10200204), (6, 8500170), (7, 7285860), (9, 5666780), (10, 5100102), (12, 4250085), (14, 3642930), (15, 3400068), (17, 3000060), (18, 2833390), (20, 2550051), (21, 2428620), (28, 1821465), (30, 1700034), (34, 1500030), (35, 1457172), (36, 1416695), (42, 1214310), (45, 1133356), (51, 1000020), (60, 850017), (63, 809540), (68, 750015), (70, 728586), (84, 607155), (85, 600012), (90, 566678), (102, 500010), (105, 485724), (119, 428580), (126, 404770), (140, 364293), (153, 333340), (170, 300006), (180, 283339), (204, 250005), (210, 242862), (238, 214290), (252, 202385), (255, 200004), (306, 166670), (315, 161908), (340, 150003), (357, 142860), (420, 121431), (476, 107145), (510, 100002), (595, 85716), (612, 83335), (630, 80954), (714, 71430), (765, 66668), (1020, 50001), (1071, 47620), (1190, 42858), (1260, 40477), (1428, 35715), (1530, 33334), (1785, 28572), (2142, 23810), (2380, 21429), (2381, 21420), (3060, 16667), (3570, 14286), (4284, 11905), (4762, 10710), (5355, 9524), (7140, 7143)]