20177979120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 640

約数和(自身を含む): 78994944000

約数和(自身を除く): 58816964880

約数列:

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約数ペア:

[(1, 20177979120), (2, 10088989560), (3, 6725993040), (4, 5044494780), (5, 4035595824), (6, 3362996520), (8, 2522247390), (9, 2241997680), (10, 2017797912), (12, 1681498260), (13, 1552152240), (15, 1345198608), (16, 1261123695), (18, 1120998840), (20, 1008898956), (23, 877303440), (24, 840749130), (26, 776076120), (27, 747332560), (30, 672599304), (36, 560499420), (39, 517384080), (40, 504449478), (45, 448399536), (46, 438651720), (48, 420374565), (52, 388038060), (54, 373666280), (60, 336299652), (65, 310430448), (69, 292434480), (72, 280249710), (78, 258692040), (80, 252224739), (90, 224199768), (92, 219325860), (104, 194019030), (108, 186833140), (115, 175460688), (117, 172461360), (120, 168149826), (130, 155215224), (135, 149466512), (138, 146217240), (144, 140124855), (156, 129346020), (157, 128522160), (180, 112099884), (184, 109662930), (195, 103476816), (199, 101396880), (207, 97478160), (208, 97009515), (216, 93416570), (230, 87730344), (234, 86230680), (240, 84074913), (260, 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(1840, 10966293), (1872, 10778835), (1884, 10710180), (1990, 10139688), (2041, 9886320), (2070, 9747816), (2160, 9341657), (2340, 8623068), (2355, 8568144), (2388, 8449740), (2392, 8435610), (2484, 8123180), (2512, 8032635), (2587, 7799760), (2691, 7498320), (2760, 7310862), (2808, 7185890), (2826, 7140120), (2985, 6759792), (2990, 6748488), (3105, 6498544), (3120, 6467301), (3140, 6426108), (3184, 6337305), (3312, 6092385), (3510, 5748712), (3582, 5633160), (3588, 5623740), (3611, 5587920), (3768, 5355090), (3980, 5069844), (4082, 4943160), (4140, 4873908), (4239, 4760080), (4485, 4498992), (4577, 4408560), (4680, 4311534), (4710, 4284072), (4776, 4224870), (4784, 4217805), (4968, 4061590), (5174, 3899880), (5373, 3755440), (5382, 3749160), (5520, 3655431), (5616, 3592945), (5652, 3570060), (5970, 3379896), (5980, 3374244), (6123, 3295440), (6210, 3249272), (6280, 3213054), (7020, 2874356), (7065, 2856048), (7164, 2816580), (7176, 2811870), (7222, 2793960), (7536, 2677545), (7761, 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