248321640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15559}}^1$

素因数の和:15599

約数の個数: 128

約数和(自身を含む): 896256000

約数和(自身を除く): 647934360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15559, 15960, 31118, 46677, 62236, 77795, 93354, 108913, 124472, 155590, 186708, 217826, 233385, 295621, 311180, 326739, 373416, 435652, 466770, 544565, 591242, 622360, 653478, 871304, 886863, 933540, 1089130, 1182484, 1306956, 1478105, 1633695, 1773726, 1867080, 2069347, 2178260, 2364968, 2613912, 2956210, 3267390, 3547452, 4138694, 4356520, 4434315, 5912420, 6208041, 6534780, 7094904, 8277388, 8868630, 10346735, 11824840, 12416082, 13069560, 16554776, 17737260, 20693470, 24832164, 31040205, 35474520, 41386940, 49664328, 62080410, 82773880, 124160820, 248321640]

約数ペア:

[(1, 248321640), (2, 124160820), (3, 82773880), (4, 62080410), (5, 49664328), (6, 41386940), (7, 35474520), (8, 31040205), (10, 24832164), (12, 20693470), (14, 17737260), (15, 16554776), (19, 13069560), (20, 12416082), (21, 11824840), (24, 10346735), (28, 8868630), (30, 8277388), (35, 7094904), (38, 6534780), (40, 6208041), (42, 5912420), (56, 4434315), (57, 4356520), (60, 4138694), (70, 3547452), (76, 3267390), (84, 2956210), (95, 2613912), (105, 2364968), (114, 2178260), (120, 2069347), (133, 1867080), (140, 1773726), (152, 1633695), (168, 1478105), (190, 1306956), (210, 1182484), (228, 1089130), (266, 933540), (280, 886863), (285, 871304), (380, 653478), (399, 622360), (420, 591242), (456, 544565), (532, 466770), (570, 435652), (665, 373416), (760, 326739), (798, 311180), (840, 295621), (1064, 233385), (1140, 217826), (1330, 186708), (1596, 155590), (1995, 124472), (2280, 108913), (2660, 93354), (3192, 77795), (3990, 62236), (5320, 46677), (7980, 31118), (15559, 15960)]