851580540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{547}}^1$

素因数の和:630

約数の個数: 180

約数和(自身を含む): 2765441448

約数和(自身を除く): 1913860908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 547, 558, 620, 810, 837, 930, 961, 1094, 1116, 1395, 1620, 1641, 1674, 1860, 1922, 2188, 2511, 2735, 2790, 2883, 3282, 3348, 3844, 4185, 4805, 4923, 5022, 5470, 5580, 5766, 6564, 8205, 8370, 8649, 9610, 9846, 10044, 10940, 11532, 12555, 14415, 14769, 16410, 16740, 16957, 17298, 19220, 19692, 24615, 25110, 25947, 28830, 29538, 32820, 33914, 34596, 43245, 44307, 49230, 50220, 50871, 51894, 57660, 59076, 67828, 73845, 77841, 84785, 86490, 88614, 98460, 101742, 103788, 129735, 147690, 152613, 155682, 169570, 172980, 177228, 203484, 221535, 254355, 259470, 295380, 305226, 311364, 339140, 389205, 443070, 457839, 508710, 518940, 525667, 610452, 763065, 778410, 886140, 915678, 1017420, 1051334, 1373517, 1526130, 1556820, 1577001, 1831356, 2102668, 2289195, 2628335, 2747034, 3052260, 3154002, 4578390, 4731003, 5256670, 5494068, 6308004, 6867585, 7885005, 9156780, 9462006, 10513340, 13735170, 14193009, 15770010, 18924012, 23655015, 27470340, 28386018, 31540020, 42579027, 47310030, 56772036, 70965045, 85158054, 94620060, 141930090, 170316108, 212895135, 283860180, 425790270, 851580540]

約数ペア:

[(1, 851580540), (2, 425790270), (3, 283860180), (4, 212895135), (5, 170316108), (6, 141930090), (9, 94620060), (10, 85158054), (12, 70965045), (15, 56772036), (18, 47310030), (20, 42579027), (27, 31540020), (30, 28386018), (31, 27470340), (36, 23655015), (45, 18924012), (54, 15770010), (60, 14193009), (62, 13735170), (81, 10513340), (90, 9462006), (93, 9156780), (108, 7885005), (124, 6867585), (135, 6308004), (155, 5494068), (162, 5256670), (180, 4731003), (186, 4578390), (270, 3154002), (279, 3052260), (310, 2747034), (324, 2628335), (372, 2289195), (405, 2102668), (465, 1831356), (540, 1577001), (547, 1556820), (558, 1526130), (620, 1373517), (810, 1051334), (837, 1017420), (930, 915678), (961, 886140), (1094, 778410), (1116, 763065), (1395, 610452), (1620, 525667), (1641, 518940), (1674, 508710), (1860, 457839), (1922, 443070), (2188, 389205), (2511, 339140), (2735, 311364), (2790, 305226), (2883, 295380), (3282, 259470), (3348, 254355), (3844, 221535), (4185, 203484), (4805, 177228), (4923, 172980), (5022, 169570), (5470, 155682), (5580, 152613), (5766, 147690), (6564, 129735), (8205, 103788), (8370, 101742), (8649, 98460), (9610, 88614), (9846, 86490), (10044, 84785), (10940, 77841), (11532, 73845), (12555, 67828), (14415, 59076), (14769, 57660), (16410, 51894), (16740, 50871), (16957, 50220), (17298, 49230), (19220, 44307), (19692, 43245), (24615, 34596), (25110, 33914), (25947, 32820), (28830, 29538)]