161710640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 160

約数和(自身を含む): 469553280

約数和(自身を除く): 307842640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 97, 104, 112, 130, 140, 182, 194, 208, 229, 260, 280, 364, 388, 455, 458, 485, 520, 560, 679, 728, 776, 910, 916, 970, 1040, 1145, 1261, 1358, 1456, 1552, 1603, 1820, 1832, 1940, 2290, 2522, 2716, 2977, 3206, 3395, 3640, 3664, 3880, 4580, 5044, 5432, 5954, 6305, 6412, 6790, 7280, 7760, 8015, 8827, 9160, 10088, 10864, 11908, 12610, 12824, 13580, 14885, 16030, 17654, 18320, 20176, 20839, 22213, 23816, 25220, 25648, 27160, 29770, 32060, 35308, 41678, 44135, 44426, 47632, 50440, 54320, 59540, 64120, 70616, 83356, 88270, 88852, 100880, 104195, 111065, 119080, 128240, 141232, 155491, 166712, 176540, 177704, 208390, 222130, 238160, 288769, 310982, 333424, 353080, 355408, 416780, 444260, 577538, 621964, 706160, 777455, 833560, 888520, 1155076, 1243928, 1443845, 1554910, 1667120, 1777040, 2021383, 2310152, 2487856, 2887690, 3109820, 4042766, 4620304, 5775380, 6219640, 8085532, 10106915, 11550760, 12439280, 16171064, 20213830, 23101520, 32342128, 40427660, 80855320, 161710640]

約数ペア:

[(1, 161710640), (2, 80855320), (4, 40427660), (5, 32342128), (7, 23101520), (8, 20213830), (10, 16171064), (13, 12439280), (14, 11550760), (16, 10106915), (20, 8085532), (26, 6219640), (28, 5775380), (35, 4620304), (40, 4042766), (52, 3109820), (56, 2887690), (65, 2487856), (70, 2310152), (80, 2021383), (91, 1777040), (97, 1667120), (104, 1554910), (112, 1443845), (130, 1243928), (140, 1155076), (182, 888520), (194, 833560), (208, 777455), (229, 706160), (260, 621964), (280, 577538), (364, 444260), (388, 416780), (455, 355408), (458, 353080), (485, 333424), (520, 310982), (560, 288769), (679, 238160), (728, 222130), (776, 208390), (910, 177704), (916, 176540), (970, 166712), (1040, 155491), (1145, 141232), (1261, 128240), (1358, 119080), (1456, 111065), (1552, 104195), (1603, 100880), (1820, 88852), (1832, 88270), (1940, 83356), (2290, 70616), (2522, 64120), (2716, 59540), (2977, 54320), (3206, 50440), (3395, 47632), (3640, 44426), (3664, 44135), (3880, 41678), (4580, 35308), (5044, 32060), (5432, 29770), (5954, 27160), (6305, 25648), (6412, 25220), (6790, 23816), (7280, 22213), (7760, 20839), (8015, 20176), (8827, 18320), (9160, 17654), (10088, 16030), (10864, 14885), (11908, 13580), (12610, 12824)]