2051216340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{260969}}^1$

素因数の和:261112

約数の個数: 48

約数和(自身を含む): 5787270720

約数和(自身を除く): 3736054380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 260969, 521938, 782907, 1043876, 1304845, 1565814, 2609690, 3131628, 3914535, 5219380, 7829070, 15658140, 34186939, 68373878, 102560817, 136747756, 170934695, 205121634, 341869390, 410243268, 512804085, 683738780, 1025608170, 2051216340]

約数ペア:

[(1, 2051216340), (2, 1025608170), (3, 683738780), (4, 512804085), (5, 410243268), (6, 341869390), (10, 205121634), (12, 170934695), (15, 136747756), (20, 102560817), (30, 68373878), (60, 34186939), (131, 15658140), (262, 7829070), (393, 5219380), (524, 3914535), (655, 3131628), (786, 2609690), (1310, 1565814), (1572, 1304845), (1965, 1043876), (2620, 782907), (3930, 521938), (7860, 260969)]