261239664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:459

約数の個数: 160

約数和(自身を含む): 820264960

約数和(自身を除く): 559025296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 151, 152, 168, 228, 266, 271, 302, 304, 336, 399, 453, 456, 532, 542, 604, 798, 813, 906, 912, 1057, 1064, 1084, 1208, 1596, 1626, 1812, 1897, 2114, 2128, 2168, 2416, 2869, 3171, 3192, 3252, 3624, 3794, 4228, 4336, 5149, 5691, 5738, 6342, 6384, 6504, 7248, 7588, 8456, 8607, 10298, 11382, 11476, 12684, 13008, 15176, 15447, 16912, 17214, 20083, 20596, 22764, 22952, 25368, 30352, 30894, 34428, 36043, 40166, 40921, 41192, 45528, 45904, 50736, 60249, 61788, 68856, 72086, 80332, 81842, 82384, 91056, 108129, 120498, 122763, 123576, 137712, 144172, 160664, 163684, 216258, 240996, 245526, 247152, 286447, 288344, 321328, 327368, 432516, 481992, 491052, 572894, 576688, 654736, 777499, 859341, 865032, 963984, 982104, 1145788, 1554998, 1718682, 1730064, 1964208, 2291576, 2332497, 3109996, 3437364, 4583152, 4664994, 5442493, 6219992, 6874728, 9329988, 10884986, 12439984, 13749456, 16327479, 18659976, 21769972, 32654958, 37319952, 43539944, 65309916, 87079888, 130619832, 261239664]

約数ペア:

[(1, 261239664), (2, 130619832), (3, 87079888), (4, 65309916), (6, 43539944), (7, 37319952), (8, 32654958), (12, 21769972), (14, 18659976), (16, 16327479), (19, 13749456), (21, 12439984), (24, 10884986), (28, 9329988), (38, 6874728), (42, 6219992), (48, 5442493), (56, 4664994), (57, 4583152), (76, 3437364), (84, 3109996), (112, 2332497), (114, 2291576), (133, 1964208), (151, 1730064), (152, 1718682), (168, 1554998), (228, 1145788), (266, 982104), (271, 963984), (302, 865032), (304, 859341), (336, 777499), (399, 654736), (453, 576688), (456, 572894), (532, 491052), (542, 481992), (604, 432516), (798, 327368), (813, 321328), (906, 288344), (912, 286447), (1057, 247152), (1064, 245526), (1084, 240996), (1208, 216258), (1596, 163684), (1626, 160664), (1812, 144172), (1897, 137712), (2114, 123576), (2128, 122763), (2168, 120498), (2416, 108129), (2869, 91056), (3171, 82384), (3192, 81842), (3252, 80332), (3624, 72086), (3794, 68856), (4228, 61788), (4336, 60249), (5149, 50736), (5691, 45904), (5738, 45528), (6342, 41192), (6384, 40921), (6504, 40166), (7248, 36043), (7588, 34428), (8456, 30894), (8607, 30352), (10298, 25368), (11382, 22952), (11476, 22764), (12684, 20596), (13008, 20083), (15176, 17214), (15447, 16912)]