178939320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{213023}}^1$

素因数の和:213044

約数の個数: 64

約数和(自身を含む): 613509120

約数和(自身を除く): 434569800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 213023, 426046, 639069, 852092, 1065115, 1278138, 1491161, 1704184, 2130230, 2556276, 2982322, 3195345, 4260460, 4473483, 5112552, 5964644, 6390690, 7455805, 8520920, 8946966, 11929288, 12781380, 14911610, 17893932, 22367415, 25562760, 29823220, 35787864, 44734830, 59646440, 89469660, 178939320]

約数ペア:

[(1, 178939320), (2, 89469660), (3, 59646440), (4, 44734830), (5, 35787864), (6, 29823220), (7, 25562760), (8, 22367415), (10, 17893932), (12, 14911610), (14, 12781380), (15, 11929288), (20, 8946966), (21, 8520920), (24, 7455805), (28, 6390690), (30, 5964644), (35, 5112552), (40, 4473483), (42, 4260460), (56, 3195345), (60, 2982322), (70, 2556276), (84, 2130230), (105, 1704184), (120, 1491161), (140, 1278138), (168, 1065115), (210, 852092), (280, 639069), (420, 426046), (840, 213023)]