256262760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3221}}^1$

素因数の和:3268

約数の個数: 192

約数和(自身を含む): 949974480

約数和(自身を除く): 693711720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1768, 1989, 2040, 2210, 2340, 2652, 3060, 3221, 3315, 3978, 4420, 4680, 5304, 6120, 6442, 6630, 7956, 8840, 9663, 9945, 12884, 13260, 15912, 16105, 19326, 19890, 25768, 26520, 28989, 32210, 38652, 39780, 41873, 48315, 54757, 57978, 64420, 77304, 79560, 83746, 96630, 109514, 115956, 125619, 128840, 144945, 164271, 167492, 193260, 209365, 219028, 231912, 251238, 273785, 289890, 328542, 334984, 376857, 386520, 418730, 438056, 492813, 502476, 547570, 579780, 628095, 657084, 711841, 753714, 821355, 837460, 985626, 1004952, 1095140, 1159560, 1256190, 1314168, 1423682, 1507428, 1642710, 1674920, 1884285, 1971252, 2135523, 2190280, 2464065, 2512380, 2847364, 3014856, 3285420, 3559205, 3768570, 3942504, 4271046, 4928130, 5024760, 5694728, 6406569, 6570840, 7118410, 7537140, 8542092, 9856260, 10677615, 12813138, 14236820, 15074280, 17084184, 19712520, 21355230, 25626276, 28473640, 32032845, 42710460, 51252552, 64065690, 85420920, 128131380, 256262760]

約数ペア:

[(1, 256262760), (2, 128131380), (3, 85420920), (4, 64065690), (5, 51252552), (6, 42710460), (8, 32032845), (9, 28473640), (10, 25626276), (12, 21355230), (13, 19712520), (15, 17084184), (17, 15074280), (18, 14236820), (20, 12813138), (24, 10677615), (26, 9856260), (30, 8542092), (34, 7537140), (36, 7118410), (39, 6570840), (40, 6406569), (45, 5694728), (51, 5024760), (52, 4928130), (60, 4271046), (65, 3942504), (68, 3768570), (72, 3559205), (78, 3285420), (85, 3014856), (90, 2847364), (102, 2512380), (104, 2464065), (117, 2190280), (120, 2135523), (130, 1971252), (136, 1884285), (153, 1674920), (156, 1642710), (170, 1507428), (180, 1423682), (195, 1314168), (204, 1256190), (221, 1159560), (234, 1095140), (255, 1004952), (260, 985626), (306, 837460), (312, 821355), (340, 753714), (360, 711841), (390, 657084), (408, 628095), (442, 579780), (468, 547570), (510, 502476), (520, 492813), (585, 438056), (612, 418730), (663, 386520), (680, 376857), (765, 334984), (780, 328542), (884, 289890), (936, 273785), (1020, 251238), (1105, 231912), (1170, 219028), (1224, 209365), (1326, 193260), (1530, 167492), (1560, 164271), (1768, 144945), (1989, 128840), (2040, 125619), (2210, 115956), (2340, 109514), (2652, 96630), (3060, 83746), (3221, 79560), (3315, 77304), (3978, 64420), (4420, 57978), (4680, 54757), (5304, 48315), (6120, 41873), (6442, 39780), (6630, 38652), (7956, 32210), (8840, 28989), (9663, 26520), (9945, 25768), (12884, 19890), (13260, 19326), (15912, 16105)]