198817320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127447}}^1$

素因数の和:127474

約数の個数: 64

約数和(自身を含む): 642337920

約数和(自身を除く): 443520600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 127447, 254894, 382341, 509788, 637235, 764682, 1019576, 1274470, 1529364, 1656811, 1911705, 2548940, 3058728, 3313622, 3823410, 4970433, 5097880, 6627244, 7646820, 8284055, 9940866, 13254488, 15293640, 16568110, 19881732, 24852165, 33136220, 39763464, 49704330, 66272440, 99408660, 198817320]

約数ペア:

[(1, 198817320), (2, 99408660), (3, 66272440), (4, 49704330), (5, 39763464), (6, 33136220), (8, 24852165), (10, 19881732), (12, 16568110), (13, 15293640), (15, 13254488), (20, 9940866), (24, 8284055), (26, 7646820), (30, 6627244), (39, 5097880), (40, 4970433), (52, 3823410), (60, 3313622), (65, 3058728), (78, 2548940), (104, 1911705), (120, 1656811), (130, 1529364), (156, 1274470), (195, 1019576), (260, 764682), (312, 637235), (390, 509788), (520, 382341), (780, 254894), (1560, 127447)]