221721840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4463}}^1$

素因数の和:4508

約数の個数: 160

約数和(自身を含む): 797091840

約数和(自身を除く): 575370000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 621, 690, 720, 828, 920, 1035, 1080, 1104, 1242, 1380, 1656, 1840, 2070, 2160, 2484, 2760, 3105, 3312, 4140, 4463, 4968, 5520, 6210, 8280, 8926, 9936, 12420, 13389, 16560, 17852, 22315, 24840, 26778, 35704, 40167, 44630, 49680, 53556, 66945, 71408, 80334, 89260, 102649, 107112, 120501, 133890, 160668, 178520, 200835, 205298, 214224, 241002, 267780, 307947, 321336, 357040, 401670, 410596, 482004, 513245, 535560, 602505, 615894, 642672, 803340, 821192, 923841, 964008, 1026490, 1071120, 1205010, 1231788, 1539735, 1606680, 1642384, 1847682, 1928016, 2052980, 2410020, 2463576, 2771523, 3079470, 3213360, 3695364, 4105960, 4619205, 4820040, 4927152, 5543046, 6158940, 7390728, 8211920, 9238410, 9640080, 11086092, 12317880, 13857615, 14781456, 18476820, 22172184, 24635760, 27715230, 36953640, 44344368, 55430460, 73907280, 110860920, 221721840]

約数ペア:

[(1, 221721840), (2, 110860920), (3, 73907280), (4, 55430460), (5, 44344368), (6, 36953640), (8, 27715230), (9, 24635760), (10, 22172184), (12, 18476820), (15, 14781456), (16, 13857615), (18, 12317880), (20, 11086092), (23, 9640080), (24, 9238410), (27, 8211920), (30, 7390728), (36, 6158940), (40, 5543046), (45, 4927152), (46, 4820040), (48, 4619205), (54, 4105960), (60, 3695364), (69, 3213360), (72, 3079470), (80, 2771523), (90, 2463576), (92, 2410020), (108, 2052980), (115, 1928016), (120, 1847682), (135, 1642384), (138, 1606680), (144, 1539735), (180, 1231788), (184, 1205010), (207, 1071120), (216, 1026490), (230, 964008), (240, 923841), (270, 821192), (276, 803340), (345, 642672), (360, 615894), (368, 602505), (414, 535560), (432, 513245), (460, 482004), (540, 410596), (552, 401670), (621, 357040), (690, 321336), (720, 307947), (828, 267780), (920, 241002), (1035, 214224), (1080, 205298), (1104, 200835), (1242, 178520), (1380, 160668), (1656, 133890), (1840, 120501), (2070, 107112), (2160, 102649), (2484, 89260), (2760, 80334), (3105, 71408), (3312, 66945), (4140, 53556), (4463, 49680), (4968, 44630), (5520, 40167), (6210, 35704), (8280, 26778), (8926, 24840), (9936, 22315), (12420, 17852), (13389, 16560)]