1276218840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4111}}^1$

素因数の和:4337

約数の個数: 128

約数和(自身を含む): 4144896000

約数和(自身を除く): 2868677160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 199, 260, 312, 390, 398, 520, 597, 780, 796, 995, 1194, 1560, 1592, 1990, 2388, 2587, 2985, 3980, 4111, 4776, 5174, 5970, 7761, 7960, 8222, 10348, 11940, 12333, 12935, 15522, 16444, 20555, 20696, 23880, 24666, 25870, 31044, 32888, 38805, 41110, 49332, 51740, 53443, 61665, 62088, 77610, 82220, 98664, 103480, 106886, 123330, 155220, 160329, 164440, 213772, 246660, 267215, 310440, 320658, 427544, 493320, 534430, 641316, 801645, 818089, 1068860, 1282632, 1603290, 1636178, 2137720, 2454267, 3206580, 3272356, 4090445, 4908534, 6413160, 6544712, 8180890, 9817068, 10635157, 12271335, 16361780, 19634136, 21270314, 24542670, 31905471, 32723560, 42540628, 49085340, 53175785, 63810942, 85081256, 98170680, 106351570, 127621884, 159527355, 212703140, 255243768, 319054710, 425406280, 638109420, 1276218840]

約数ペア:

[(1, 1276218840), (2, 638109420), (3, 425406280), (4, 319054710), (5, 255243768), (6, 212703140), (8, 159527355), (10, 127621884), (12, 106351570), (13, 98170680), (15, 85081256), (20, 63810942), (24, 53175785), (26, 49085340), (30, 42540628), (39, 32723560), (40, 31905471), (52, 24542670), (60, 21270314), (65, 19634136), (78, 16361780), (104, 12271335), (120, 10635157), (130, 9817068), (156, 8180890), (195, 6544712), (199, 6413160), (260, 4908534), (312, 4090445), (390, 3272356), (398, 3206580), (520, 2454267), (597, 2137720), (780, 1636178), (796, 1603290), (995, 1282632), (1194, 1068860), (1560, 818089), (1592, 801645), (1990, 641316), (2388, 534430), (2587, 493320), (2985, 427544), (3980, 320658), (4111, 310440), (4776, 267215), (5174, 246660), (5970, 213772), (7761, 164440), (7960, 160329), (8222, 155220), (10348, 123330), (11940, 106886), (12333, 103480), (12935, 98664), (15522, 82220), (16444, 77610), (20555, 62088), (20696, 61665), (23880, 53443), (24666, 51740), (25870, 49332), (31044, 41110), (32888, 38805)]