281559320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18973}}^1$

素因数の和:19044

約数の個数: 64

約数和(自身を含む): 737709120

約数和(自身を除く): 456149800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 7420, 14840, 18973, 37946, 75892, 94865, 132811, 151784, 189730, 265622, 379460, 531244, 664055, 758920, 1005569, 1062488, 1328110, 2011138, 2656220, 4022276, 5027845, 5312440, 7038983, 8044552, 10055690, 14077966, 20111380, 28155932, 35194915, 40222760, 56311864, 70389830, 140779660, 281559320]

約数ペア:

[(1, 281559320), (2, 140779660), (4, 70389830), (5, 56311864), (7, 40222760), (8, 35194915), (10, 28155932), (14, 20111380), (20, 14077966), (28, 10055690), (35, 8044552), (40, 7038983), (53, 5312440), (56, 5027845), (70, 4022276), (106, 2656220), (140, 2011138), (212, 1328110), (265, 1062488), (280, 1005569), (371, 758920), (424, 664055), (530, 531244), (742, 379460), (1060, 265622), (1484, 189730), (1855, 151784), (2120, 132811), (2968, 94865), (3710, 75892), (7420, 37946), (14840, 18973)]