51305640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:707

約数の個数: 128

約数和(自身を含む): 166406400

約数和(自身を除く): 115100760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 276, 290, 345, 348, 435, 460, 552, 580, 641, 667, 690, 696, 870, 920, 1160, 1282, 1334, 1380, 1740, 1923, 2001, 2564, 2668, 2760, 3205, 3335, 3480, 3846, 4002, 5128, 5336, 6410, 6670, 7692, 8004, 9615, 10005, 12820, 13340, 14743, 15384, 16008, 18589, 19230, 20010, 25640, 26680, 29486, 37178, 38460, 40020, 44229, 55767, 58972, 73715, 74356, 76920, 80040, 88458, 92945, 111534, 117944, 147430, 148712, 176916, 185890, 221145, 223068, 278835, 294860, 353832, 371780, 427547, 442290, 446136, 557670, 589720, 743560, 855094, 884580, 1115340, 1282641, 1710188, 1769160, 2137735, 2230680, 2565282, 3420376, 4275470, 5130564, 6413205, 8550940, 10261128, 12826410, 17101880, 25652820, 51305640]

約数ペア:

[(1, 51305640), (2, 25652820), (3, 17101880), (4, 12826410), (5, 10261128), (6, 8550940), (8, 6413205), (10, 5130564), (12, 4275470), (15, 3420376), (20, 2565282), (23, 2230680), (24, 2137735), (29, 1769160), (30, 1710188), (40, 1282641), (46, 1115340), (58, 884580), (60, 855094), (69, 743560), (87, 589720), (92, 557670), (115, 446136), (116, 442290), (120, 427547), (138, 371780), (145, 353832), (174, 294860), (184, 278835), (230, 223068), (232, 221145), (276, 185890), (290, 176916), (345, 148712), (348, 147430), (435, 117944), (460, 111534), (552, 92945), (580, 88458), (641, 80040), (667, 76920), (690, 74356), (696, 73715), (870, 58972), (920, 55767), (1160, 44229), (1282, 40020), (1334, 38460), (1380, 37178), (1740, 29486), (1923, 26680), (2001, 25640), (2564, 20010), (2668, 19230), (2760, 18589), (3205, 16008), (3335, 15384), (3480, 14743), (3846, 13340), (4002, 12820), (5128, 10005), (5336, 9615), (6410, 8004), (6670, 7692)]