256066512

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:381

約数の個数: 160

約数和(自身を含む): 764951040

約数和(自身を除く): 508884528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 101, 102, 104, 136, 156, 202, 204, 208, 221, 239, 272, 303, 312, 404, 408, 442, 478, 606, 624, 663, 717, 808, 816, 884, 956, 1212, 1313, 1326, 1434, 1616, 1717, 1768, 1912, 2424, 2626, 2652, 2868, 3107, 3434, 3536, 3824, 3939, 4063, 4848, 5151, 5252, 5304, 5736, 6214, 6868, 7878, 8126, 9321, 10302, 10504, 10608, 11472, 12189, 12428, 13736, 15756, 16252, 18642, 20604, 21008, 22321, 24139, 24378, 24856, 27472, 31512, 32504, 37284, 41208, 44642, 48278, 48756, 49712, 52819, 63024, 65008, 66963, 72417, 74568, 82416, 89284, 96556, 97512, 105638, 133926, 144834, 149136, 158457, 178568, 193112, 195024, 211276, 267852, 289668, 313807, 316914, 357136, 386224, 410363, 422552, 535704, 579336, 627614, 633828, 820726, 845104, 941421, 1071408, 1158672, 1231089, 1255228, 1267656, 1641452, 1882842, 2462178, 2510456, 2535312, 3282904, 3765684, 4924356, 5020912, 5334719, 6565808, 7531368, 9848712, 10669438, 15062736, 16004157, 19697424, 21338876, 32008314, 42677752, 64016628, 85355504, 128033256, 256066512]

約数ペア:

[(1, 256066512), (2, 128033256), (3, 85355504), (4, 64016628), (6, 42677752), (8, 32008314), (12, 21338876), (13, 19697424), (16, 16004157), (17, 15062736), (24, 10669438), (26, 9848712), (34, 7531368), (39, 6565808), (48, 5334719), (51, 5020912), (52, 4924356), (68, 3765684), (78, 3282904), (101, 2535312), (102, 2510456), (104, 2462178), (136, 1882842), (156, 1641452), (202, 1267656), (204, 1255228), (208, 1231089), (221, 1158672), (239, 1071408), (272, 941421), (303, 845104), (312, 820726), (404, 633828), (408, 627614), (442, 579336), (478, 535704), (606, 422552), (624, 410363), (663, 386224), (717, 357136), (808, 316914), (816, 313807), (884, 289668), (956, 267852), (1212, 211276), (1313, 195024), (1326, 193112), (1434, 178568), (1616, 158457), (1717, 149136), (1768, 144834), (1912, 133926), (2424, 105638), (2626, 97512), (2652, 96556), (2868, 89284), (3107, 82416), (3434, 74568), (3536, 72417), (3824, 66963), (3939, 65008), (4063, 63024), (4848, 52819), (5151, 49712), (5252, 48756), (5304, 48278), (5736, 44642), (6214, 41208), (6868, 37284), (7878, 32504), (8126, 31512), (9321, 27472), (10302, 24856), (10504, 24378), (10608, 24139), (11472, 22321), (12189, 21008), (12428, 20604), (13736, 18642), (15756, 16252)]