180003460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 482630400

約数和(自身を除く): 302626940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 71, 91, 98, 130, 140, 142, 182, 196, 199, 245, 260, 284, 355, 364, 398, 455, 490, 497, 637, 710, 796, 910, 923, 980, 994, 995, 1274, 1393, 1420, 1820, 1846, 1988, 1990, 2485, 2548, 2587, 2786, 3185, 3479, 3692, 3980, 4615, 4970, 5174, 5572, 6370, 6461, 6958, 6965, 9230, 9751, 9940, 10348, 12740, 12922, 12935, 13916, 13930, 14129, 17395, 18109, 18460, 19502, 25844, 25870, 27860, 28258, 32305, 34790, 36218, 39004, 45227, 48755, 51740, 56516, 64610, 69580, 70645, 72436, 90454, 90545, 97510, 98903, 126763, 129220, 141290, 180908, 181090, 183677, 195020, 197806, 226135, 253526, 282580, 362180, 367354, 395612, 452270, 494515, 507052, 633815, 692321, 734708, 904540, 918385, 989030, 1267630, 1285739, 1384642, 1836770, 1978060, 2535260, 2571478, 2769284, 3461605, 3673540, 5142956, 6428695, 6923210, 9000173, 12857390, 13846420, 18000346, 25714780, 36000692, 45000865, 90001730, 180003460]

約数ペア:

[(1, 180003460), (2, 90001730), (4, 45000865), (5, 36000692), (7, 25714780), (10, 18000346), (13, 13846420), (14, 12857390), (20, 9000173), (26, 6923210), (28, 6428695), (35, 5142956), (49, 3673540), (52, 3461605), (65, 2769284), (70, 2571478), (71, 2535260), (91, 1978060), (98, 1836770), (130, 1384642), (140, 1285739), (142, 1267630), (182, 989030), (196, 918385), (199, 904540), (245, 734708), (260, 692321), (284, 633815), (355, 507052), (364, 494515), (398, 452270), (455, 395612), (490, 367354), (497, 362180), (637, 282580), (710, 253526), (796, 226135), (910, 197806), (923, 195020), (980, 183677), (994, 181090), (995, 180908), (1274, 141290), (1393, 129220), (1420, 126763), (1820, 98903), (1846, 97510), (1988, 90545), (1990, 90454), (2485, 72436), (2548, 70645), (2587, 69580), (2786, 64610), (3185, 56516), (3479, 51740), (3692, 48755), (3980, 45227), (4615, 39004), (4970, 36218), (5174, 34790), (5572, 32305), (6370, 28258), (6461, 27860), (6958, 25870), (6965, 25844), (9230, 19502), (9751, 18460), (9940, 18109), (10348, 17395), (12740, 14129), (12922, 13930), (12935, 13916)]