215418840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19727}}^1$

素因数の和:19761

約数の個数: 128

約数和(自身を含む): 795432960

約数和(自身を除く): 580014120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 19727, 39454, 59181, 78908, 98635, 118362, 138089, 157816, 197270, 236724, 256451, 276178, 295905, 394540, 414267, 473448, 512902, 552356, 591810, 690445, 769353, 789080, 828534, 1025804, 1104712, 1183620, 1282255, 1380890, 1538706, 1657068, 1795157, 2051608, 2071335, 2367240, 2564510, 2761780, 3077412, 3314136, 3590314, 3846765, 4142670, 5129020, 5385471, 5523560, 6154824, 7180628, 7693530, 8285340, 8975785, 10258040, 10770942, 14361256, 15387060, 16570680, 17951570, 21541884, 26927355, 30774120, 35903140, 43083768, 53854710, 71806280, 107709420, 215418840]

約数ペア:

[(1, 215418840), (2, 107709420), (3, 71806280), (4, 53854710), (5, 43083768), (6, 35903140), (7, 30774120), (8, 26927355), (10, 21541884), (12, 17951570), (13, 16570680), (14, 15387060), (15, 14361256), (20, 10770942), (21, 10258040), (24, 8975785), (26, 8285340), (28, 7693530), (30, 7180628), (35, 6154824), (39, 5523560), (40, 5385471), (42, 5129020), (52, 4142670), (56, 3846765), (60, 3590314), (65, 3314136), (70, 3077412), (78, 2761780), (84, 2564510), (91, 2367240), (104, 2071335), (105, 2051608), (120, 1795157), (130, 1657068), (140, 1538706), (156, 1380890), (168, 1282255), (182, 1183620), (195, 1104712), (210, 1025804), (260, 828534), (273, 789080), (280, 769353), (312, 690445), (364, 591810), (390, 552356), (420, 512902), (455, 473448), (520, 414267), (546, 394540), (728, 295905), (780, 276178), (840, 256451), (910, 236724), (1092, 197270), (1365, 157816), (1560, 138089), (1820, 118362), (2184, 98635), (2730, 78908), (3640, 59181), (5460, 39454), (10920, 19727)]