320328450

素因数分解:

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

素因数の和:3269

約数の個数: 144

約数和(自身を含む): 981640296

約数和(自身を除く): 661311846

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 25, 26, 30, 34, 39, 45, 50, 51, 65, 75, 78, 85, 90, 102, 117, 130, 150, 153, 170, 195, 221, 225, 234, 255, 306, 325, 390, 425, 442, 450, 510, 585, 650, 663, 765, 850, 975, 1105, 1170, 1275, 1326, 1530, 1950, 1989, 2210, 2550, 2925, 3221, 3315, 3825, 3978, 5525, 5850, 6442, 6630, 7650, 9663, 9945, 11050, 16105, 16575, 19326, 19890, 28989, 32210, 33150, 41873, 48315, 49725, 54757, 57978, 80525, 83746, 96630, 99450, 109514, 125619, 144945, 161050, 164271, 209365, 241575, 251238, 273785, 289890, 328542, 376857, 418730, 483150, 492813, 547570, 628095, 711841, 724725, 753714, 821355, 985626, 1046825, 1256190, 1368925, 1423682, 1449450, 1642710, 1884285, 2093650, 2135523, 2464065, 2737850, 3140475, 3559205, 3768570, 4106775, 4271046, 4928130, 6280950, 6406569, 7118410, 8213550, 9421425, 10677615, 12320325, 12813138, 17796025, 18842850, 21355230, 24640650, 32032845, 35592050, 53388075, 64065690, 106776150, 160164225, 320328450]

約数ペア:

[(1, 320328450), (2, 160164225), (3, 106776150), (5, 64065690), (6, 53388075), (9, 35592050), (10, 32032845), (13, 24640650), (15, 21355230), (17, 18842850), (18, 17796025), (25, 12813138), (26, 12320325), (30, 10677615), (34, 9421425), (39, 8213550), (45, 7118410), (50, 6406569), (51, 6280950), (65, 4928130), (75, 4271046), (78, 4106775), (85, 3768570), (90, 3559205), (102, 3140475), (117, 2737850), (130, 2464065), (150, 2135523), (153, 2093650), (170, 1884285), (195, 1642710), (221, 1449450), (225, 1423682), (234, 1368925), (255, 1256190), (306, 1046825), (325, 985626), (390, 821355), (425, 753714), (442, 724725), (450, 711841), (510, 628095), (585, 547570), (650, 492813), (663, 483150), (765, 418730), (850, 376857), (975, 328542), (1105, 289890), (1170, 273785), (1275, 251238), (1326, 241575), (1530, 209365), (1950, 164271), (1989, 161050), (2210, 144945), (2550, 125619), (2925, 109514), (3221, 99450), (3315, 96630), (3825, 83746), (3978, 80525), (5525, 57978), (5850, 54757), (6442, 49725), (6630, 48315), (7650, 41873), (9663, 33150), (9945, 32210), (11050, 28989), (16105, 19890), (16575, 19326)]