156729721460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{178187}}^1$

素因数の和:178425

約数の個数: 96

約数和(自身を含む): 377188358400

約数和(自身を除く): 220458636940

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 199, 221, 260, 340, 398, 442, 796, 884, 995, 1105, 1990, 2210, 2587, 3383, 3980, 4420, 5174, 6766, 10348, 12935, 13532, 16915, 25870, 33830, 43979, 51740, 67660, 87958, 175916, 178187, 219895, 356374, 439790, 712748, 879580, 890935, 1781870, 2316431, 3029179, 3563740, 4632862, 6058358, 9265724, 11582155, 12116716, 15145895, 23164310, 30291790, 35459213, 39379327, 46328620, 60583580, 70918426, 78758654, 141836852, 157517308, 177296065, 196896635, 354592130, 393793270, 460969769, 602806621, 709184260, 787586540, 921939538, 1205613242, 1843879076, 2304848845, 2411226484, 3014033105, 4609697690, 6028066210, 7836486073, 9219395380, 12056132420, 15672972146, 31345944292, 39182430365, 78364860730, 156729721460]

約数ペア:

[(1, 156729721460), (2, 78364860730), (4, 39182430365), (5, 31345944292), (10, 15672972146), (13, 12056132420), (17, 9219395380), (20, 7836486073), (26, 6028066210), (34, 4609697690), (52, 3014033105), (65, 2411226484), (68, 2304848845), (85, 1843879076), (130, 1205613242), (170, 921939538), (199, 787586540), (221, 709184260), (260, 602806621), (340, 460969769), (398, 393793270), (442, 354592130), (796, 196896635), (884, 177296065), (995, 157517308), (1105, 141836852), (1990, 78758654), (2210, 70918426), (2587, 60583580), (3383, 46328620), (3980, 39379327), (4420, 35459213), (5174, 30291790), (6766, 23164310), (10348, 15145895), (12935, 12116716), (13532, 11582155), (16915, 9265724), (25870, 6058358), (33830, 4632862), (43979, 3563740), (51740, 3029179), (67660, 2316431), (87958, 1781870), (175916, 890935), (178187, 879580), (219895, 712748), (356374, 439790)]