7938840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:761

約数の個数: 128

約数和(自身を含む): 29352960

約数和(自身を除く): 21414120

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, 727, 728, 780, 840, 910, 1092, 1365, 1454, 1560, 1820, 2181, 2184, 2730, 2908, 3635, 3640, 4362, 5089, 5460, 5816, 7270, 8724, 9451, 10178, 10905, 10920, 14540, 15267, 17448, 18902, 20356, 21810, 25445, 28353, 29080, 30534, 37804, 40712, 43620, 47255, 50890, 56706, 61068, 66157, 75608, 76335, 87240, 94510, 101780, 113412, 122136, 132314, 141765, 152670, 189020, 198471, 203560, 226824, 264628, 283530, 305340, 330785, 378040, 396942, 529256, 567060, 610680, 661570, 793884, 992355, 1134120, 1323140, 1587768, 1984710, 2646280, 3969420, 7938840]

約数ペア:

[(1, 7938840), (2, 3969420), (3, 2646280), (4, 1984710), (5, 1587768), (6, 1323140), (7, 1134120), (8, 992355), (10, 793884), (12, 661570), (13, 610680), (14, 567060), (15, 529256), (20, 396942), (21, 378040), (24, 330785), (26, 305340), (28, 283530), (30, 264628), (35, 226824), (39, 203560), (40, 198471), (42, 189020), (52, 152670), (56, 141765), (60, 132314), (65, 122136), (70, 113412), (78, 101780), (84, 94510), (91, 87240), (104, 76335), (105, 75608), (120, 66157), (130, 61068), (140, 56706), (156, 50890), (168, 47255), (182, 43620), (195, 40712), (210, 37804), (260, 30534), (273, 29080), (280, 28353), (312, 25445), (364, 21810), (390, 20356), (420, 18902), (455, 17448), (520, 15267), (546, 14540), (727, 10920), (728, 10905), (780, 10178), (840, 9451), (910, 8724), (1092, 7270), (1365, 5816), (1454, 5460), (1560, 5089), (1820, 4362), (2181, 3640), (2184, 3635), (2730, 2908)]