128429600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 345493512

約数和(自身を除く): 217063912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 53, 65, 80, 100, 104, 106, 130, 160, 200, 208, 212, 233, 260, 265, 325, 400, 416, 424, 466, 520, 530, 650, 689, 800, 848, 932, 1040, 1060, 1165, 1300, 1325, 1378, 1696, 1864, 2080, 2120, 2330, 2600, 2650, 2756, 3029, 3445, 3728, 4240, 4660, 5200, 5300, 5512, 5825, 6058, 6890, 7456, 8480, 9320, 10400, 10600, 11024, 11650, 12116, 12349, 13780, 15145, 17225, 18640, 21200, 22048, 23300, 24232, 24698, 27560, 30290, 34450, 37280, 42400, 46600, 48464, 49396, 55120, 60580, 61745, 68900, 75725, 93200, 96928, 98792, 110240, 121160, 123490, 137800, 151450, 160537, 186400, 197584, 242320, 246980, 275600, 302900, 308725, 321074, 395168, 484640, 493960, 551200, 605800, 617450, 642148, 802685, 987920, 1211600, 1234900, 1284296, 1605370, 1975840, 2423200, 2469800, 2568592, 3210740, 4013425, 4939600, 5137184, 6421480, 8026850, 9879200, 12842960, 16053700, 25685920, 32107400, 64214800, 128429600]

約数ペア:

[(1, 128429600), (2, 64214800), (4, 32107400), (5, 25685920), (8, 16053700), (10, 12842960), (13, 9879200), (16, 8026850), (20, 6421480), (25, 5137184), (26, 4939600), (32, 4013425), (40, 3210740), (50, 2568592), (52, 2469800), (53, 2423200), (65, 1975840), (80, 1605370), (100, 1284296), (104, 1234900), (106, 1211600), (130, 987920), (160, 802685), (200, 642148), (208, 617450), (212, 605800), (233, 551200), (260, 493960), (265, 484640), (325, 395168), (400, 321074), (416, 308725), (424, 302900), (466, 275600), (520, 246980), (530, 242320), (650, 197584), (689, 186400), (800, 160537), (848, 151450), (932, 137800), (1040, 123490), (1060, 121160), (1165, 110240), (1300, 98792), (1325, 96928), (1378, 93200), (1696, 75725), (1864, 68900), (2080, 61745), (2120, 60580), (2330, 55120), (2600, 49396), (2650, 48464), (2756, 46600), (3029, 42400), (3445, 37280), (3728, 34450), (4240, 30290), (4660, 27560), (5200, 24698), (5300, 24232), (5512, 23300), (5825, 22048), (6058, 21200), (6890, 18640), (7456, 17225), (8480, 15145), (9320, 13780), (10400, 12349), (10600, 12116), (11024, 11650)]