65520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1$

素因数の和:39

約数の個数: 120

約数和(自身を含む): 270816

約数和(自身を除く): 205296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 4095, 4368, 4680, 5040, 5460, 6552, 7280, 8190, 9360, 10920, 13104, 16380, 21840, 32760, 65520]

約数ペア:

[(1, 65520), (2, 32760), (3, 21840), (4, 16380), (5, 13104), (6, 10920), (7, 9360), (8, 8190), (9, 7280), (10, 6552), (12, 5460), (13, 5040), (14, 4680), (15, 4368), (16, 4095), (18, 3640), (20, 3276), (21, 3120), (24, 2730), (26, 2520), (28, 2340), (30, 2184), (35, 1872), (36, 1820), (39, 1680), (40, 1638), (42, 1560), (45, 1456), (48, 1365), (52, 1260), (56, 1170), (60, 1092), (63, 1040), (65, 1008), (70, 936), (72, 910), (78, 840), (80, 819), (84, 780), (90, 728), (91, 720), (104, 630), (105, 624), (112, 585), (117, 560), (120, 546), (126, 520), (130, 504), (140, 468), (144, 455), (156, 420), (168, 390), (180, 364), (182, 360), (195, 336), (208, 315), (210, 312), (234, 280), (240, 273), (252, 260)]