2181360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 6919200

約数和(自身を除く): 4737840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 149, 183, 240, 244, 298, 305, 366, 447, 488, 596, 610, 732, 745, 894, 915, 976, 1192, 1220, 1464, 1490, 1788, 1830, 2235, 2384, 2440, 2928, 2980, 3576, 3660, 4470, 4880, 5960, 7152, 7320, 8940, 9089, 11920, 14640, 17880, 18178, 27267, 35760, 36356, 45445, 54534, 72712, 90890, 109068, 136335, 145424, 181780, 218136, 272670, 363560, 436272, 545340, 727120, 1090680, 2181360]

約数ペア:

[(1, 2181360), (2, 1090680), (3, 727120), (4, 545340), (5, 436272), (6, 363560), (8, 272670), (10, 218136), (12, 181780), (15, 145424), (16, 136335), (20, 109068), (24, 90890), (30, 72712), (40, 54534), (48, 45445), (60, 36356), (61, 35760), (80, 27267), (120, 18178), (122, 17880), (149, 14640), (183, 11920), (240, 9089), (244, 8940), (298, 7320), (305, 7152), (366, 5960), (447, 4880), (488, 4470), (596, 3660), (610, 3576), (732, 2980), (745, 2928), (894, 2440), (915, 2384), (976, 2235), (1192, 1830), (1220, 1788), (1464, 1490)]