211316280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251567}}^1$

素因数の和:251588

約数の個数: 64

約数和(自身を含む): 724515840

約数和(自身を除く): 513199560

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, 251567, 503134, 754701, 1006268, 1257835, 1509402, 1760969, 2012536, 2515670, 3018804, 3521938, 3773505, 5031340, 5282907, 6037608, 7043876, 7547010, 8804845, 10062680, 10565814, 14087752, 15094020, 17609690, 21131628, 26414535, 30188040, 35219380, 42263256, 52829070, 70438760, 105658140, 211316280]

約数ペア:

[(1, 211316280), (2, 105658140), (3, 70438760), (4, 52829070), (5, 42263256), (6, 35219380), (7, 30188040), (8, 26414535), (10, 21131628), (12, 17609690), (14, 15094020), (15, 14087752), (20, 10565814), (21, 10062680), (24, 8804845), (28, 7547010), (30, 7043876), (35, 6037608), (40, 5282907), (42, 5031340), (56, 3773505), (60, 3521938), (70, 3018804), (84, 2515670), (105, 2012536), (120, 1760969), (140, 1509402), (168, 1257835), (210, 1006268), (280, 754701), (420, 503134), (840, 251567)]