681531648

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{383}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 2084683776

約数和(自身を除く): 1403152128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 331, 336, 383, 384, 448, 662, 672, 766, 768, 896, 993, 1149, 1324, 1344, 1532, 1792, 1986, 2298, 2317, 2648, 2681, 2688, 3064, 3972, 4596, 4634, 5296, 5362, 5376, 6128, 6951, 7944, 8043, 9192, 9268, 10592, 10724, 12256, 13902, 15888, 16086, 18384, 18536, 21184, 21448, 24512, 27804, 31776, 32172, 36768, 37072, 42368, 42896, 49024, 55608, 63552, 64344, 73536, 74144, 84736, 85792, 98048, 111216, 126773, 127104, 128688, 147072, 148288, 171584, 222432, 253546, 254208, 257376, 294144, 296576, 343168, 380319, 444864, 507092, 514752, 593152, 686336, 760638, 887411, 889728, 1014184, 1029504, 1521276, 1774822, 1779456, 2028368, 2059008, 2662233, 3042552, 3549644, 4056736, 5324466, 6085104, 7099288, 8113472, 10648932, 12170208, 14198576, 16226944, 21297864, 24340416, 28397152, 32453888, 42595728, 48680832, 56794304, 85191456, 97361664, 113588608, 170382912, 227177216, 340765824, 681531648]

約数ペア:

[(1, 681531648), (2, 340765824), (3, 227177216), (4, 170382912), (6, 113588608), (7, 97361664), (8, 85191456), (12, 56794304), (14, 48680832), (16, 42595728), (21, 32453888), (24, 28397152), (28, 24340416), (32, 21297864), (42, 16226944), (48, 14198576), (56, 12170208), (64, 10648932), (84, 8113472), (96, 7099288), (112, 6085104), (128, 5324466), (168, 4056736), (192, 3549644), (224, 3042552), (256, 2662233), (331, 2059008), (336, 2028368), (383, 1779456), (384, 1774822), (448, 1521276), (662, 1029504), (672, 1014184), (766, 889728), (768, 887411), (896, 760638), (993, 686336), (1149, 593152), (1324, 514752), (1344, 507092), (1532, 444864), (1792, 380319), (1986, 343168), (2298, 296576), (2317, 294144), (2648, 257376), (2681, 254208), (2688, 253546), (3064, 222432), (3972, 171584), (4596, 148288), (4634, 147072), (5296, 128688), (5362, 127104), (5376, 126773), (6128, 111216), (6951, 98048), (7944, 85792), (8043, 84736), (9192, 74144), (9268, 73536), (10592, 64344), (10724, 63552), (12256, 55608), (13902, 49024), (15888, 42896), (16086, 42368), (18384, 37072), (18536, 36768), (21184, 32172), (21448, 31776), (24512, 27804)]