131983320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2213}}^1$

素因数の和:2305

約数の個数: 128

約数和(自身を含む): 459095040

約数和(自身を除く): 327111720

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, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2213, 2485, 2840, 2982, 3976, 4260, 4426, 4970, 5964, 6639, 7455, 8520, 8852, 9940, 11065, 11928, 13278, 14910, 15491, 17704, 19880, 22130, 26556, 29820, 30982, 33195, 44260, 46473, 53112, 59640, 61964, 66390, 77455, 88520, 92946, 123928, 132780, 154910, 157123, 185892, 232365, 265560, 309820, 314246, 371784, 464730, 471369, 619640, 628492, 785615, 929460, 942738, 1099861, 1256984, 1571230, 1858920, 1885476, 2199722, 2356845, 3142460, 3299583, 3770952, 4399444, 4713690, 5499305, 6284920, 6599166, 8798888, 9427380, 10998610, 13198332, 16497915, 18854760, 21997220, 26396664, 32995830, 43994440, 65991660, 131983320]

約数ペア:

[(1, 131983320), (2, 65991660), (3, 43994440), (4, 32995830), (5, 26396664), (6, 21997220), (7, 18854760), (8, 16497915), (10, 13198332), (12, 10998610), (14, 9427380), (15, 8798888), (20, 6599166), (21, 6284920), (24, 5499305), (28, 4713690), (30, 4399444), (35, 3770952), (40, 3299583), (42, 3142460), (56, 2356845), (60, 2199722), (70, 1885476), (71, 1858920), (84, 1571230), (105, 1256984), (120, 1099861), (140, 942738), (142, 929460), (168, 785615), (210, 628492), (213, 619640), (280, 471369), (284, 464730), (355, 371784), (420, 314246), (426, 309820), (497, 265560), (568, 232365), (710, 185892), (840, 157123), (852, 154910), (994, 132780), (1065, 123928), (1420, 92946), (1491, 88520), (1704, 77455), (1988, 66390), (2130, 61964), (2213, 59640), (2485, 53112), (2840, 46473), (2982, 44260), (3976, 33195), (4260, 30982), (4426, 29820), (4970, 26556), (5964, 22130), (6639, 19880), (7455, 17704), (8520, 15491), (8852, 14910), (9940, 13278), (11065, 11928)]