138727680

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:441

約数の個数: 288

約数和(自身を含む): 546680064

約数和(自身を除く): 407952384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 256, 260, 273, 280, 312, 320, 336, 364, 384, 390, 397, 416, 420, 448, 455, 480, 520, 546, 560, 624, 640, 672, 728, 768, 780, 794, 832, 840, 896, 910, 960, 1040, 1092, 1120, 1191, 1248, 1280, 1344, 1365, 1456, 1560, 1588, 1664, 1680, 1792, 1820, 1920, 1985, 2080, 2184, 2240, 2382, 2496, 2688, 2730, 2779, 2912, 3120, 3176, 3328, 3360, 3640, 3840, 3970, 4160, 4368, 4480, 4764, 4992, 5161, 5376, 5460, 5558, 5824, 5955, 6240, 6352, 6720, 7280, 7940, 8320, 8337, 8736, 8960, 9528, 9984, 10322, 10920, 11116, 11648, 11910, 12480, 12704, 13440, 13895, 14560, 15483, 15880, 16640, 16674, 17472, 19056, 20644, 21840, 22232, 23296, 23820, 24960, 25408, 25805, 26880, 27790, 29120, 30966, 31760, 33348, 34944, 36127, 38112, 41288, 41685, 43680, 44464, 47640, 49920, 50816, 51610, 55580, 58240, 61932, 63520, 66696, 69888, 72254, 76224, 77415, 82576, 83370, 87360, 88928, 95280, 101632, 103220, 108381, 111160, 116480, 123864, 127040, 133392, 144508, 152448, 154830, 165152, 166740, 174720, 177856, 180635, 190560, 206440, 216762, 222320, 247728, 254080, 266784, 289016, 304896, 309660, 330304, 333480, 349440, 355712, 361270, 381120, 412880, 433524, 444640, 495456, 508160, 533568, 541905, 578032, 619320, 660608, 666960, 711424, 722540, 762240, 825760, 867048, 889280, 990912, 1067136, 1083810, 1156064, 1238640, 1321216, 1333920, 1445080, 1524480, 1651520, 1734096, 1778560, 1981824, 2134272, 2167620, 2312128, 2477280, 2667840, 2890160, 3303040, 3468192, 3557120, 3963648, 4335240, 4624256, 4954560, 5335680, 5780320, 6606080, 6936384, 8670480, 9248512, 9909120, 10671360, 11560640, 13872768, 17340960, 19818240, 23121280, 27745536, 34681920, 46242560, 69363840, 138727680]

約数ペア:

[(1, 138727680), (2, 69363840), (3, 46242560), (4, 34681920), (5, 27745536), (6, 23121280), (7, 19818240), (8, 17340960), (10, 13872768), (12, 11560640), (13, 10671360), (14, 9909120), (15, 9248512), (16, 8670480), (20, 6936384), (21, 6606080), (24, 5780320), (26, 5335680), (28, 4954560), (30, 4624256), (32, 4335240), (35, 3963648), (39, 3557120), (40, 3468192), (42, 3303040), (48, 2890160), (52, 2667840), (56, 2477280), (60, 2312128), (64, 2167620), (65, 2134272), (70, 1981824), (78, 1778560), (80, 1734096), (84, 1651520), (91, 1524480), (96, 1445080), (104, 1333920), (105, 1321216), (112, 1238640), (120, 1156064), (128, 1083810), (130, 1067136), (140, 990912), (156, 889280), (160, 867048), (168, 825760), (182, 762240), (192, 722540), (195, 711424), (208, 666960), (210, 660608), (224, 619320), (240, 578032), (256, 541905), (260, 533568), (273, 508160), (280, 495456), (312, 444640), (320, 433524), (336, 412880), (364, 381120), (384, 361270), (390, 355712), (397, 349440), (416, 333480), (420, 330304), (448, 309660), (455, 304896), (480, 289016), (520, 266784), (546, 254080), (560, 247728), (624, 222320), (640, 216762), (672, 206440), (728, 190560), (768, 180635), (780, 177856), (794, 174720), (832, 166740), (840, 165152), (896, 154830), (910, 152448), (960, 144508), (1040, 133392), (1092, 127040), (1120, 123864), (1191, 116480), (1248, 111160), (1280, 108381), (1344, 103220), (1365, 101632), (1456, 95280), (1560, 88928), (1588, 87360), (1664, 83370), (1680, 82576), (1792, 77415), (1820, 76224), (1920, 72254), (1985, 69888), (2080, 66696), (2184, 63520), (2240, 61932), (2382, 58240), (2496, 55580), (2688, 51610), (2730, 50816), (2779, 49920), (2912, 47640), (3120, 44464), (3176, 43680), (3328, 41685), (3360, 41288), (3640, 38112), (3840, 36127), (3970, 34944), (4160, 33348), (4368, 31760), (4480, 30966), (4764, 29120), (4992, 27790), (5161, 26880), (5376, 25805), (5460, 25408), (5558, 24960), (5824, 23820), (5955, 23296), (6240, 22232), (6352, 21840), (6720, 20644), (7280, 19056), (7940, 17472), (8320, 16674), (8337, 16640), (8736, 15880), (8960, 15483), (9528, 14560), (9984, 13895), (10322, 13440), (10920, 12704), (11116, 12480), (11648, 11910)]