258356280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:494

約数の個数: 256

約数和(自身を含む): 972518400

約数和(自身を除く): 714162120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 59, 60, 65, 70, 78, 84, 91, 104, 105, 118, 120, 130, 140, 156, 168, 177, 182, 195, 210, 236, 260, 273, 280, 295, 312, 354, 364, 390, 401, 413, 420, 455, 472, 520, 546, 590, 708, 728, 767, 780, 802, 826, 840, 885, 910, 1092, 1180, 1203, 1239, 1365, 1416, 1534, 1560, 1604, 1652, 1770, 1820, 2005, 2065, 2184, 2301, 2360, 2406, 2478, 2730, 2807, 3068, 3208, 3304, 3540, 3640, 3835, 4010, 4130, 4602, 4812, 4956, 5213, 5369, 5460, 5614, 6015, 6136, 6195, 7080, 7670, 8020, 8260, 8421, 9204, 9624, 9912, 10426, 10738, 10920, 11228, 11505, 12030, 12390, 14035, 15340, 15639, 16040, 16107, 16520, 16842, 18408, 20852, 21476, 22456, 23010, 23659, 24060, 24780, 26065, 26845, 28070, 30680, 31278, 32214, 33684, 36491, 41704, 42105, 42952, 46020, 47318, 48120, 49560, 52130, 53690, 56140, 62556, 64428, 67368, 70977, 72982, 78195, 80535, 84210, 92040, 94636, 104260, 107380, 109473, 112280, 118295, 125112, 128856, 141954, 145964, 156390, 161070, 165613, 168420, 182455, 189272, 208520, 214760, 218946, 236590, 283908, 291928, 307567, 312780, 322140, 331226, 336840, 354885, 364910, 437892, 473180, 496839, 547365, 567816, 615134, 625560, 644280, 662452, 709770, 729820, 828065, 875784, 922701, 946360, 993678, 1094730, 1230268, 1324904, 1419540, 1459640, 1537835, 1656130, 1845402, 1987356, 2152969, 2189460, 2460536, 2484195, 2839080, 3075670, 3312260, 3690804, 3974712, 4305938, 4378920, 4613505, 4968390, 6151340, 6458907, 6624520, 7381608, 8611876, 9227010, 9936780, 10764845, 12302680, 12917814, 17223752, 18454020, 19873560, 21529690, 25835628, 32294535, 36908040, 43059380, 51671256, 64589070, 86118760, 129178140, 258356280]

約数ペア:

[(1, 258356280), (2, 129178140), (3, 86118760), (4, 64589070), (5, 51671256), (6, 43059380), (7, 36908040), (8, 32294535), (10, 25835628), (12, 21529690), (13, 19873560), (14, 18454020), (15, 17223752), (20, 12917814), (21, 12302680), (24, 10764845), (26, 9936780), (28, 9227010), (30, 8611876), (35, 7381608), (39, 6624520), (40, 6458907), (42, 6151340), (52, 4968390), (56, 4613505), (59, 4378920), (60, 4305938), (65, 3974712), (70, 3690804), (78, 3312260), (84, 3075670), (91, 2839080), (104, 2484195), (105, 2460536), (118, 2189460), (120, 2152969), (130, 1987356), (140, 1845402), (156, 1656130), (168, 1537835), (177, 1459640), (182, 1419540), (195, 1324904), (210, 1230268), (236, 1094730), (260, 993678), (273, 946360), (280, 922701), (295, 875784), (312, 828065), (354, 729820), (364, 709770), (390, 662452), (401, 644280), (413, 625560), (420, 615134), (455, 567816), (472, 547365), (520, 496839), (546, 473180), (590, 437892), (708, 364910), (728, 354885), (767, 336840), (780, 331226), (802, 322140), (826, 312780), (840, 307567), (885, 291928), (910, 283908), (1092, 236590), (1180, 218946), (1203, 214760), (1239, 208520), (1365, 189272), (1416, 182455), (1534, 168420), (1560, 165613), (1604, 161070), (1652, 156390), (1770, 145964), (1820, 141954), (2005, 128856), (2065, 125112), (2184, 118295), (2301, 112280), (2360, 109473), (2406, 107380), (2478, 104260), (2730, 94636), (2807, 92040), (3068, 84210), (3208, 80535), (3304, 78195), (3540, 72982), (3640, 70977), (3835, 67368), (4010, 64428), (4130, 62556), (4602, 56140), (4812, 53690), (4956, 52130), (5213, 49560), (5369, 48120), (5460, 47318), (5614, 46020), (6015, 42952), (6136, 42105), (6195, 41704), (7080, 36491), (7670, 33684), (8020, 32214), (8260, 31278), (8421, 30680), (9204, 28070), (9624, 26845), (9912, 26065), (10426, 24780), (10738, 24060), (10920, 23659), (11228, 23010), (11505, 22456), (12030, 21476), (12390, 20852), (14035, 18408), (15340, 16842), (15639, 16520), (16040, 16107)]