281051940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{360323}}^1$

素因数の和:360348

約数の個数: 48

約数和(自身を含む): 847482048

約数和(自身を除く): 566430108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 360323, 720646, 1080969, 1441292, 1801615, 2161938, 3603230, 4323876, 4684199, 5404845, 7206460, 9368398, 10809690, 14052597, 18736796, 21619380, 23420995, 28105194, 46841990, 56210388, 70262985, 93683980, 140525970, 281051940]

約数ペア:

[(1, 281051940), (2, 140525970), (3, 93683980), (4, 70262985), (5, 56210388), (6, 46841990), (10, 28105194), (12, 23420995), (13, 21619380), (15, 18736796), (20, 14052597), (26, 10809690), (30, 9368398), (39, 7206460), (52, 5404845), (60, 4684199), (65, 4323876), (78, 3603230), (130, 2161938), (156, 1801615), (195, 1441292), (260, 1080969), (390, 720646), (780, 360323)]