127581720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{151883}}^1$

素因数の和:151904

約数の個数: 64

約数和(自身を含む): 437425920

約数和(自身を除く): 309844200

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, 151883, 303766, 455649, 607532, 759415, 911298, 1063181, 1215064, 1518830, 1822596, 2126362, 2278245, 3037660, 3189543, 3645192, 4252724, 4556490, 5315905, 6075320, 6379086, 8505448, 9112980, 10631810, 12758172, 15947715, 18225960, 21263620, 25516344, 31895430, 42527240, 63790860, 127581720]

約数ペア:

[(1, 127581720), (2, 63790860), (3, 42527240), (4, 31895430), (5, 25516344), (6, 21263620), (7, 18225960), (8, 15947715), (10, 12758172), (12, 10631810), (14, 9112980), (15, 8505448), (20, 6379086), (21, 6075320), (24, 5315905), (28, 4556490), (30, 4252724), (35, 3645192), (40, 3189543), (42, 3037660), (56, 2278245), (60, 2126362), (70, 1822596), (84, 1518830), (105, 1215064), (120, 1063181), (140, 911298), (168, 759415), (210, 607532), (280, 455649), (420, 303766), (840, 151883)]