161780256

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:479

約数の個数: 144

約数和(自身を含む): 506338560

約数和(自身を除く): 344558304

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 223, 229, 264, 288, 352, 396, 446, 458, 528, 669, 687, 792, 892, 916, 1056, 1338, 1374, 1584, 1784, 1832, 2007, 2061, 2453, 2519, 2676, 2748, 3168, 3568, 3664, 4014, 4122, 4906, 5038, 5352, 5496, 7136, 7328, 7359, 7557, 8028, 8244, 9812, 10076, 10704, 10992, 14718, 15114, 16056, 16488, 19624, 20152, 21408, 21984, 22077, 22671, 29436, 30228, 32112, 32976, 39248, 40304, 44154, 45342, 51067, 58872, 60456, 64224, 65952, 78496, 80608, 88308, 90684, 102134, 117744, 120912, 153201, 176616, 181368, 204268, 235488, 241824, 306402, 353232, 362736, 408536, 459603, 561737, 612804, 706464, 725472, 817072, 919206, 1123474, 1225608, 1634144, 1685211, 1838412, 2246948, 2451216, 3370422, 3676824, 4493896, 4902432, 5055633, 6740844, 7353648, 8987792, 10111266, 13481688, 14707296, 17975584, 20222532, 26963376, 40445064, 53926752, 80890128, 161780256]

約数ペア:

[(1, 161780256), (2, 80890128), (3, 53926752), (4, 40445064), (6, 26963376), (8, 20222532), (9, 17975584), (11, 14707296), (12, 13481688), (16, 10111266), (18, 8987792), (22, 7353648), (24, 6740844), (32, 5055633), (33, 4902432), (36, 4493896), (44, 3676824), (48, 3370422), (66, 2451216), (72, 2246948), (88, 1838412), (96, 1685211), (99, 1634144), (132, 1225608), (144, 1123474), (176, 919206), (198, 817072), (223, 725472), (229, 706464), (264, 612804), (288, 561737), (352, 459603), (396, 408536), (446, 362736), (458, 353232), (528, 306402), (669, 241824), (687, 235488), (792, 204268), (892, 181368), (916, 176616), (1056, 153201), (1338, 120912), (1374, 117744), (1584, 102134), (1784, 90684), (1832, 88308), (2007, 80608), (2061, 78496), (2453, 65952), (2519, 64224), (2676, 60456), (2748, 58872), (3168, 51067), (3568, 45342), (3664, 44154), (4014, 40304), (4122, 39248), (4906, 32976), (5038, 32112), (5352, 30228), (5496, 29436), (7136, 22671), (7328, 22077), (7359, 21984), (7557, 21408), (8028, 20152), (8244, 19624), (9812, 16488), (10076, 16056), (10704, 15114), (10992, 14718)]