28212240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{2399}}^1$

素因数の和:2429

約数の個数: 120

約数和(自身を含む): 101779200

約数和(自身を除く): 73566960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2399, 2940, 3920, 4798, 5880, 7197, 9596, 11760, 11995, 14394, 16793, 19192, 23990, 28788, 33586, 35985, 38384, 47980, 50379, 57576, 67172, 71970, 83965, 95960, 100758, 115152, 117551, 134344, 143940, 167930, 191920, 201516, 235102, 251895, 268688, 287880, 335860, 352653, 403032, 470204, 503790, 575760, 587755, 671720, 705306, 806064, 940408, 1007580, 1175510, 1343440, 1410612, 1763265, 1880816, 2015160, 2351020, 2821224, 3526530, 4030320, 4702040, 5642448, 7053060, 9404080, 14106120, 28212240]

約数ペア:

[(1, 28212240), (2, 14106120), (3, 9404080), (4, 7053060), (5, 5642448), (6, 4702040), (7, 4030320), (8, 3526530), (10, 2821224), (12, 2351020), (14, 2015160), (15, 1880816), (16, 1763265), (20, 1410612), (21, 1343440), (24, 1175510), (28, 1007580), (30, 940408), (35, 806064), (40, 705306), (42, 671720), (48, 587755), (49, 575760), (56, 503790), (60, 470204), (70, 403032), (80, 352653), (84, 335860), (98, 287880), (105, 268688), (112, 251895), (120, 235102), (140, 201516), (147, 191920), (168, 167930), (196, 143940), (210, 134344), (240, 117551), (245, 115152), (280, 100758), (294, 95960), (336, 83965), (392, 71970), (420, 67172), (490, 57576), (560, 50379), (588, 47980), (735, 38384), (784, 35985), (840, 33586), (980, 28788), (1176, 23990), (1470, 19192), (1680, 16793), (1960, 14394), (2352, 11995), (2399, 11760), (2940, 9596), (3920, 7197), (4798, 5880)]