258918240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{293}}^1$

素因数の和:581

約数の個数: 192

約数和(自身を含む): 938843136

約数和(自身を除く): 679924896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 263, 280, 293, 336, 420, 480, 526, 560, 586, 672, 789, 840, 879, 1052, 1120, 1172, 1315, 1465, 1578, 1680, 1758, 1841, 2051, 2104, 2344, 2630, 2930, 3156, 3360, 3516, 3682, 3945, 4102, 4208, 4395, 4688, 5260, 5523, 5860, 6153, 6312, 7032, 7364, 7890, 8204, 8416, 8790, 9205, 9376, 10255, 10520, 11046, 11720, 12306, 12624, 14064, 14728, 15780, 16408, 17580, 18410, 20510, 21040, 22092, 23440, 24612, 25248, 27615, 28128, 29456, 30765, 31560, 32816, 35160, 36820, 41020, 42080, 44184, 46880, 49224, 55230, 58912, 61530, 63120, 65632, 70320, 73640, 77059, 82040, 88368, 98448, 110460, 123060, 126240, 140640, 147280, 154118, 164080, 176736, 196896, 220920, 231177, 246120, 294560, 308236, 328160, 385295, 441840, 462354, 492240, 539413, 616472, 770590, 883680, 924708, 984480, 1078826, 1155885, 1232944, 1541180, 1618239, 1849416, 2157652, 2311770, 2465888, 2697065, 3082360, 3236478, 3698832, 4315304, 4623540, 5394130, 6164720, 6472956, 7397664, 8091195, 8630608, 9247080, 10788260, 12329440, 12945912, 16182390, 17261216, 18494160, 21576520, 25891824, 32364780, 36988320, 43153040, 51783648, 64729560, 86306080, 129459120, 258918240]

約数ペア:

[(1, 258918240), (2, 129459120), (3, 86306080), (4, 64729560), (5, 51783648), (6, 43153040), (7, 36988320), (8, 32364780), (10, 25891824), (12, 21576520), (14, 18494160), (15, 17261216), (16, 16182390), (20, 12945912), (21, 12329440), (24, 10788260), (28, 9247080), (30, 8630608), (32, 8091195), (35, 7397664), (40, 6472956), (42, 6164720), (48, 5394130), (56, 4623540), (60, 4315304), (70, 3698832), (80, 3236478), (84, 3082360), (96, 2697065), (105, 2465888), (112, 2311770), (120, 2157652), (140, 1849416), (160, 1618239), (168, 1541180), (210, 1232944), (224, 1155885), (240, 1078826), (263, 984480), (280, 924708), (293, 883680), (336, 770590), (420, 616472), (480, 539413), (526, 492240), (560, 462354), (586, 441840), (672, 385295), (789, 328160), (840, 308236), (879, 294560), (1052, 246120), (1120, 231177), (1172, 220920), (1315, 196896), (1465, 176736), (1578, 164080), (1680, 154118), (1758, 147280), (1841, 140640), (2051, 126240), (2104, 123060), (2344, 110460), (2630, 98448), (2930, 88368), (3156, 82040), (3360, 77059), (3516, 73640), (3682, 70320), (3945, 65632), (4102, 63120), (4208, 61530), (4395, 58912), (4688, 55230), (5260, 49224), (5523, 46880), (5860, 44184), (6153, 42080), (6312, 41020), (7032, 36820), (7364, 35160), (7890, 32816), (8204, 31560), (8416, 30765), (8790, 29456), (9205, 28128), (9376, 27615), (10255, 25248), (10520, 24612), (11046, 23440), (11720, 22092), (12306, 21040), (12624, 20510), (14064, 18410), (14728, 17580), (15780, 16408)]